13564442 has 8 divisors (see below), whose sum is σ = 21417600. Its totient is φ = 6425244.

The previous prime is 13564433. The next prime is 13564471. The reversal of 13564442 is 24446531.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 178442 + ... + 178517.

It is an arithmetic number, because the mean of its divisors is an integer number (2677200).

Almost surely, 2^13564442 is an apocalyptic number.

13564442 is a deficient number, since it is larger than the sum of its proper divisors (7853158).

13564442 is a wasteful number, since it uses less digits than its factorization.

13564442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356980.

The product of its digits is 11520, while the sum is 29.

The square root of 13564442 is about 3682.9936193265. The cubic root of 13564442 is about 238.4884280198.

The spelling of 13564442 in words is "thirteen million, five hundred sixty-four thousand, four hundred forty-two".