13564372 has 12 divisors (see below), whose sum is σ = 23777460. Its totient is φ = 6770816.

The previous prime is 13564361. The next prime is 13564409. The reversal of 13564372 is 27346531.

It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 2515396 = 3324^2 + 1586^2 .

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, 204 + ... + 5212.

It is an arithmetic number, because the mean of its divisors is an integer number (1981455).

Almost surely, 2^13564372 is an apocalyptic number.

It is an amenable number.

13564372 is a deficient number, since it is larger than the sum of its proper divisors (10213088).

13564372 is a wasteful number, since it uses less digits than its factorization.

13564372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690 (or 5688 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 13564372 is about 3682.9841161754. The cubic root of 13564372 is about 238.4880177752.

The spelling of 13564372 in words is "thirteen million, five hundred sixty-four thousand, three hundred seventy-two".