13504564 has 6 divisors (see below), whose sum is σ = 23632994. Its totient is φ = 6752280.

The previous prime is 13504549. The next prime is 13504571. The reversal of 13504564 is 46540531.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 2890000 = 3258^2 + 1700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688067 + ... + 1688074.

Almost surely, 2^13504564 is an apocalyptic number.

It is an amenable number.

13504564 is a deficient number, since it is larger than the sum of its proper divisors (10128430).

13504564 is a wasteful number, since it uses less digits than its factorization.

13504564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376145 (or 3376143 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 13504564 is about 3674.8556434233. The cubic root of 13504564 is about 238.1369877290.

The spelling of 13504564 in words is "thirteen million, five hundred four thousand, five hundred sixty-four".