The number 8,682,912 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 59 63 72 73 84 96 112 118 126 144 146 168 177 219 224 236 252 288 292 336 354 413 438 472 504 511 531 584 657 672 708 826 876 944 1,008 1,022 1,062 1,168 1,239 1,314 1,416 1,533 1,652 1,752 1,888 2,016 2,044 2,124 2,336 2,478 2,628 2,832 3,066 3,304 3,504 3,717 4,088 4,248 4,307 4,599 4,956 5,256 5,664 6,132 6,608 7,008 7,434 8,176 8,496 8,614 9,198 9,912 10,512 12,264 12,921 13,216 14,868 16,352 16,992 17,228 18,396 19,824 21,024 24,528 25,842 29,736 30,149 34,456 36,792 38,763 39,648 49,056 51,684 59,472 60,298 68,912 73,584 77,526 90,447 103,368 118,944 120,596 137,824 147,168 155,052 180,894 206,736 241,192 271,341 310,104 361,788 413,472 482,384 542,682 620,208 723,576 964,768 1,085,364 1,240,416 1,447,152 2,170,728 2,894,304 4,341,456 and 8,682,912, with no remainder.
Since 8,682,912 cannot be divided by just 1 and 8,682,912, it is a composite number.