13564045 has 32 divisors (see below), whose sum is σ = 19128960. Its totient is φ = 9123840.

The previous prime is 13564027. The next prime is 13564051. The reversal of 13564045 is 54046531.

It is not a de Polignac number, because 13564045 - 2⁵ = 13564013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83134 + ... + 83296.

It is an arithmetic number, because the mean of its divisors is an integer number (597780).

Almost surely, 2^13564045 is an apocalyptic number.

It is an amenable number.

13564045 is a deficient number, since it is larger than the sum of its proper divisors (5564915).

13564045 is a wasteful number, since it uses less digits than its factorization.

13564045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

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

The square root of 13564045 is about 3682.9397225586. The cubic root of 13564045 is about 238.4861013280.

The spelling of 13564045 in words is "thirteen million, five hundred sixty-four thousand, forty-five".