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12892698 = 23271317463
BaseRepresentation
bin110001001011…
…101000011010
3220021000110100
4301023220122
511300031243
61140200230
7214405020
oct61135032
926230410
1012892698
117306525
124399076
132895420
1419d8710
1511ea0d3
hexc4ba1a

12892698 has 96 divisors (see below), whose sum is σ = 36481536. Its totient is φ = 3193344.

The previous prime is 12892679. The next prime is 12892703. The reversal of 12892698 is 89629821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27615 + ... + 28077.

It is an arithmetic number, because the mean of its divisors is an integer number (380016).

Almost surely, 212892698 is an apocalyptic number.

12892698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12892698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18240768).

12892698 is an abundant number, since it is smaller than the sum of its proper divisors (23588838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12892698 is a wasteful number, since it uses less digits than its factorization.

12892698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 505 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 12892698 is about 3590.6403328654. The cubic root of 12892698 is about 234.4847500930.

The spelling of 12892698 in words is "twelve million, eight hundred ninety-two thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 7 9 13 14 17 18 21 26 34 39 42 51 63 78 91 102 117 119 126 153 182 221 234 238 273 306 357 442 463 546 663 714 819 926 1071 1326 1389 1547 1638 1989 2142 2778 3094 3241 3978 4167 4641 6019 6482 7871 8334 9282 9723 12038 13923 15742 18057 19446 23613 27846 29169 36114 42133 47226 54171 55097 58338 70839 84266 102323 108342 110194 126399 141678 165291 204646 252798 306969 330582 379197 495873 613938 716261 758394 920907 991746 1432522 1841814 2148783 4297566 6446349 12892698