13920572 has 12 divisors (see below), whose sum is σ = 24537240. Its totient is φ = 6909936.

The previous prime is 13920541. The next prime is 13920587. The reversal of 13920572 is 27502931.

13920572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 11963 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (2044770).

Almost surely, 2^13920572 is an apocalyptic number.

It is an amenable number.

13920572 is a deficient number, since it is larger than the sum of its proper divisors (10616668).

13920572 is a wasteful number, since it uses less digits than its factorization.

13920572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180 (or 25178 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13920572 is about 3731.0282764943. The cubic root of 13920572 is about 240.5575693892.

The spelling of 13920572 in words is "thirteen million, nine hundred twenty thousand, five hundred seventy-two".