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12894528 = 263239281
BaseRepresentation
bin110001001100…
…000101000000
3220021002222010
4301030011000
511300111103
61140212520
7214413243
oct61140500
926232863
1012894528
117307939
12439a140
1328961ca
1419d925a
1511ea903
hexc4c140

12894528 has 56 divisors (see below), whose sum is σ = 34381440. Its totient is φ = 4264960.

The previous prime is 12894499. The next prime is 12894533. The reversal of 12894528 is 82549821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45748 + ... + 46028.

Almost surely, 212894528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12894528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17190720).

12894528 is an abundant number, since it is smaller than the sum of its proper divisors (21486912).

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

12894528 is a wasteful number, since it uses less digits than its factorization.

12894528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 525 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 12894528 is about 3590.8951530224. The cubic root of 12894528 is about 234.4958438866.

The spelling of 12894528 in words is "twelve million, eight hundred ninety-four thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 239 281 478 562 717 843 956 1124 1434 1686 1912 2248 2868 3372 3824 4496 5736 6744 7648 8992 11472 13488 15296 17984 22944 26976 45888 53952 67159 134318 201477 268636 402954 537272 805908 1074544 1611816 2149088 3223632 4298176 6447264 12894528