13564304 has 20 divisors (see below), whose sum is σ = 28302876. Its totient is φ = 6260352.

The previous prime is 13564303. The next prime is 13564339. The reversal of 13564304 is 40346531.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 11155600 = 1552^2 + 3340^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (13564301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32399 + ... + 32814.

Almost surely, 2^13564304 is an apocalyptic number.

It is an amenable number.

13564304 is an abundant number, since it is smaller than the sum of its proper divisors (14738572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13564304 is a wasteful number, since it uses less digits than its factorization.

13564304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65234 (or 65228 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 13564304 is about 3682.9748845193. The cubic root of 13564304 is about 238.4876192505.

The spelling of 13564304 in words is "thirteen million, five hundred sixty-four thousand, three hundred four".