13564772 has 12 divisors (see below), whose sum is σ = 25564476. Its totient is φ = 6260640.

The previous prime is 13564729. The next prime is 13564807. The reversal of 13564772 is 27746531.

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 12432676 = 1064^2 + 3526^2 .

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, 130379 + ... + 130482.

It is an arithmetic number, because the mean of its divisors is an integer number (2130373).

Almost surely, 2^13564772 is an apocalyptic number.

It is an amenable number.

13564772 is a deficient number, since it is larger than the sum of its proper divisors (11999704).

13564772 is a wasteful number, since it uses less digits than its factorization.

13564772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260878 (or 260876 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 13564772 is about 3683.0384195661. The cubic root of 13564772 is about 238.4903620112.

The spelling of 13564772 in words is "thirteen million, five hundred sixty-four thousand, seven hundred seventy-two".