12631564 has 24 divisors (see below), whose sum is σ = 24349248. Its totient is φ = 5685840.

The previous prime is 12631529. The next prime is 12631573. The reversal of 12631564 is 46513621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3367 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1014552).

Almost surely, 2^12631564 is an apocalyptic number.

It is an amenable number.

12631564 is a deficient number, since it is larger than the sum of its proper divisors (11717684).

12631564 is a wasteful number, since it uses less digits than its factorization.

12631564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2803 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 12631564 is about 3554.0911637154. The cubic root of 12631564 is about 232.8908229997.

The spelling of 12631564 in words is "twelve million, six hundred thirty-one thousand, five hundred sixty-four".