13402992 has 40 divisors (see below), whose sum is σ = 34779024. Its totient is φ = 4447744.

The previous prime is 13402979. The next prime is 13402993. The reversal of 13402992 is 29920431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402993) 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, 13588 + ... + 14540.

Almost surely, 2^13402992 is an apocalyptic number.

13402992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13402992 is an abundant number, since it is smaller than the sum of its proper divisors (21376032).

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

13402992 is a wasteful number, since it uses less digits than its factorization.

13402992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13402992 is about 3661.0096967913. The cubic root of 13402992 is about 237.5384506536.

The spelling of 13402992 in words is "thirteen million, four hundred two thousand, nine hundred ninety-two".