13564430 has 32 divisors (see below), whose sum is σ = 26788320. Its totient is φ = 4904320.

The previous prime is 13564429. The next prime is 13564433. The reversal of 13564430 is 3446531.

It is a super-2 number, since 2×13564430² = 367987522449800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13564430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13564433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34676 + ... + 35064.

It is an arithmetic number, because the mean of its divisors is an integer number (837135).

Almost surely, 2^13564430 is an apocalyptic number.

13564430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13564430 is a deficient number, since it is larger than the sum of its proper divisors (13223890).

13564430 is a wasteful number, since it uses less digits than its factorization.

13564430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

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

The square root of 13564430 is about 3682.9919902166. The cubic root of 13564430 is about 238.4883576923.

The spelling of 13564430 in words is "thirteen million, five hundred sixty-four thousand, four hundred thirty".