13565042 has 16 divisors (see below), whose sum is σ = 21099264. Its totient is φ = 6534000.

The previous prime is 13565033. The next prime is 13565059. The reversal of 13565042 is 24056531.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20192 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (1318704).

Almost surely, 2^13565042 is an apocalyptic number.

13565042 is a deficient number, since it is larger than the sum of its proper divisors (7534222).

13565042 is a wasteful number, since it uses less digits than its factorization.

13565042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13565042 is about 3683.0750739022. The cubic root of 13565042 is about 238.4919443445.

The spelling of 13565042 in words is "thirteen million, five hundred sixty-five thousand, forty-two".