13552564 has 12 divisors (see below), whose sum is σ = 23984100. Its totient is φ = 6699968.

The previous prime is 13552547. The next prime is 13552573. The reversal of 13552564 is 46525531.

It can be written as a sum of positive squares in 2 ways, for example, as 5475600 + 8076964 = 2340^2 + 2842^2 .

It is a congruent number.

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, 18679 + ... + 19390.

It is an arithmetic number, because the mean of its divisors is an integer number (1998675).

Almost surely, 2^13552564 is an apocalyptic number.

It is an amenable number.

13552564 is a deficient number, since it is larger than the sum of its proper divisors (10431536).

13552564 is a wasteful number, since it uses less digits than its factorization.

13552564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38162 (or 38160 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 13552564 is about 3681.3807192411. The cubic root of 13552564 is about 238.4187951565.

The spelling of 13552564 in words is "thirteen million, five hundred fifty-two thousand, five hundred sixty-four".