13251994 has 16 divisors (see below), whose sum is σ = 23332608. Its totient is φ = 5525712.

The previous prime is 13251989. The next prime is 13252039. The reversal of 13251994 is 49915231.

13251994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12274 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (1458288).

Almost surely, 2^13251994 is an apocalyptic number.

13251994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13251994 is a deficient number, since it is larger than the sum of its proper divisors (10080614).

13251994 is a wasteful number, since it uses less digits than its factorization.

13251994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25629.

The product of its digits is 9720, while the sum is 34.

The square root of 13251994 is about 3640.3288313008. The cubic root of 13251994 is about 236.6430442159.

The spelling of 13251994 in words is "thirteen million, two hundred fifty-one thousand, nine hundred ninety-four".