12564512 has 24 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 6260800.

The previous prime is 12564481. The next prime is 12564521. The reversal of 12564512 is 21546521.

12564512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13337 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^12564512 is an apocalyptic number.

It is an amenable number.

12564512 is a deficient number, since it is larger than the sum of its proper divisors (12256480).

12564512 is an equidigital number, since it uses as much as digits as its factorization.

12564512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1344 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 12564512 is about 3544.6455394016. The cubic root of 12564512 is about 232.4780077090.

Subtracting 12564512 from its reverse (21546521), we obtain a square (8982009 = 2997²).

The spelling of 12564512 in words is "twelve million, five hundred sixty-four thousand, five hundred twelve".