13992456 has 16 divisors (see below), whose sum is σ = 34981200. Its totient is φ = 4664144.

The previous prime is 13992449. The next prime is 13992463. The reversal of 13992456 is 65429931.

It is an interprime number because it is at equal distance from previous prime (13992449) and next prime (13992463).

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, 291486 + ... + 291533.

It is an arithmetic number, because the mean of its divisors is an integer number (2186325).

Almost surely, 2^13992456 is an apocalyptic number.

It is an amenable number.

13992456 is an abundant number, since it is smaller than the sum of its proper divisors (20988744).

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

13992456 is a wasteful number, since it uses less digits than its factorization.

13992456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583028 (or 583024 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 13992456 is about 3740.6491415261. The cubic root of 13992456 is about 240.9709278935.

The spelling of 13992456 in words is "thirteen million, nine hundred ninety-two thousand, four hundred fifty-six".