13399564 has 12 divisors (see below), whose sum is σ = 24205888. Its totient is φ = 6483600.

The previous prime is 13399543. The next prime is 13399571. The reversal of 13399564 is 46599331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53907 + ... + 54154.

Almost surely, 2^13399564 is an apocalyptic number.

It is an amenable number.

13399564 is a deficient number, since it is larger than the sum of its proper divisors (10806324).

13399564 is a wasteful number, since it uses less digits than its factorization.

13399564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108096 (or 108094 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 13399564 is about 3660.5414899984. The cubic root of 13399564 is about 237.5181976823.

The spelling of 13399564 in words is "thirteen million, three hundred ninety-nine thousand, five hundred sixty-four".