13564465 has 4 divisors (see below), whose sum is σ = 16277364. Its totient is φ = 10851568.

The previous prime is 13564433. The next prime is 13564471. The reversal of 13564465 is 56446531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9560464 + 4004001 = 3092^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 13564465 - 2⁵ = 13564433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13564465.

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, 1356442 + ... + 1356451.

It is an arithmetic number, because the mean of its divisors is an integer number (4069341).

Almost surely, 2^13564465 is an apocalyptic number.

It is an amenable number.

13564465 is a deficient number, since it is larger than the sum of its proper divisors (2712899).

13564465 is an equidigital number, since it uses as much as digits as its factorization.

13564465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712898.

The product of its digits is 43200, while the sum is 34.

The square root of 13564465 is about 3682.9967417851. The cubic root of 13564465 is about 238.4885628142.

The spelling of 13564465 in words is "thirteen million, five hundred sixty-four thousand, four hundred sixty-five".