13630564 has 12 divisors (see below), whose sum is σ = 24361344. Its totient is φ = 6670184.

The previous prime is 13630553. The next prime is 13630579. The reversal of 13630564 is 46503631.

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, 36064 + ... + 36439.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2^13630564 is an apocalyptic number.

It is an amenable number.

13630564 is a deficient number, since it is larger than the sum of its proper divisors (10730780).

13630564 is a wasteful number, since it uses less digits than its factorization.

13630564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72554 (or 72552 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 13630564 is about 3691.9593713908. The cubic root of 13630564 is about 238.8753164654.

The spelling of 13630564 in words is "thirteen million, six hundred thirty thousand, five hundred sixty-four".