13564842 has 16 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 4513280.

The previous prime is 13564813. The next prime is 13564843. The reversal of 13564842 is 24846531.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13564843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (1698732).

Almost surely, 2^13564842 is an apocalyptic number.

13564842 is an abundant number, since it is smaller than the sum of its proper divisors (13614870).

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

13564842 is a wasteful number, since it uses less digits than its factorization.

13564842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173.

The product of its digits is 23040, while the sum is 33.

The square root of 13564842 is about 3683.0479225772. The cubic root of 13564842 is about 238.4907722478.

The spelling of 13564842 in words is "thirteen million, five hundred sixty-four thousand, eight hundred forty-two".