13564830 has 16 divisors (see below), whose sum is σ = 32555664. Its totient is φ = 3617280.

The previous prime is 13564813. The next prime is 13564843. The reversal of 13564830 is 3846531.

It is a super-2 number, since 2×13564830² = 368009225857800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 452161 = 13564830 / (1 + 3 + 5 + 6 + 4 + 8 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226051 + ... + 226110.

It is an arithmetic number, because the mean of its divisors is an integer number (2034729).

Almost surely, 2^13564830 is an apocalyptic number.

13564830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13564830 is an abundant number, since it is smaller than the sum of its proper divisors (18990834).

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

13564830 is a wasteful number, since it uses less digits than its factorization.

13564830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452171.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13564830 is about 3683.0462934913. The cubic root of 13564830 is about 238.4907019216.

The spelling of 13564830 in words is "thirteen million, five hundred sixty-four thousand, eight hundred thirty".