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12875864 = 234213823
BaseRepresentation
bin110001000111…
…100001011000
3220020011100212
4301013201120
511244011424
61135550252
7214304651
oct61074130
926204325
1012875864
1172a4911
12438b388
13288a871
1419d2528
1511e510e
hexc47858

12875864 has 16 divisors (see below), whose sum is σ = 24205920. Its totient is φ = 6420960.

The previous prime is 12875857. The next prime is 12875869. The reversal of 12875864 is 46857821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12875869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (1512870).

Almost surely, 212875864 is an apocalyptic number.

It is an amenable number.

12875864 is a deficient number, since it is larger than the sum of its proper divisors (11330056).

12875864 is a wasteful number, since it uses less digits than its factorization.

12875864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4246 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 12875864 is about 3588.2954170469. The cubic root of 12875864 is about 234.3826500377.

The spelling of 12875864 in words is "twelve million, eight hundred seventy-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 421 842 1684 3368 3823 7646 15292 30584 1609483 3218966 6437932 12875864