13151996 has 24 divisors (see below), whose sum is σ = 27040944. Its totient is φ = 5518080.

The previous prime is 13151989. The next prime is 13152011. The reversal of 13151996 is 69915131.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 10925 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (1126706).

Almost surely, 2^13151996 is an apocalyptic number.

It is an amenable number.

13151996 is an abundant number, since it is smaller than the sum of its proper divisors (13888948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13151996 is a wasteful number, since it uses less digits than its factorization.

13151996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23021 (or 23019 counting only the distinct ones).

The product of its digits is 7290, while the sum is 35.

The square root of 13151996 is about 3626.5680746403. The cubic root of 13151996 is about 236.0463138063.

The spelling of 13151996 in words is "thirteen million, one hundred fifty-one thousand, nine hundred ninety-six".