13920874 has 16 divisors (see below), whose sum is σ = 23211360. Its totient is φ = 6207760.

The previous prime is 13920859. The next prime is 13920877. The reversal of 13920874 is 47802931.

13920874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13920877) 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, 4804 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (1450710).

Almost surely, 2^13920874 is an apocalyptic number.

13920874 is a deficient number, since it is larger than the sum of its proper divisors (9290486).

13920874 is a wasteful number, since it uses less digits than its factorization.

13920874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13920874 is about 3731.0687476915. The cubic root of 13920874 is about 240.5593089695.

The spelling of 13920874 in words is "thirteen million, nine hundred twenty thousand, eight hundred seventy-four".