13564064 has 24 divisors (see below), whose sum is σ = 26787348. Its totient is φ = 6760960.

The previous prime is 13564051. The next prime is 13564073. The reversal of 13564064 is 46046531.

It is a happy number.

13564064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9120400 + 4443664 = 3020^2 + 2108^2 .

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, 17444 + ... + 18204.

Almost surely, 2^13564064 is an apocalyptic number.

It is an amenable number.

13564064 is a deficient number, since it is larger than the sum of its proper divisors (13223284).

13564064 is an equidigital number, since it uses as much as digits as its factorization.

13564064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 13564064 is about 3682.9423020189. The cubic root of 13564064 is about 238.4862126820.

The spelling of 13564064 in words is "thirteen million, five hundred sixty-four thousand, sixty-four".