13911992 has 16 divisors (see below), whose sum is σ = 26129040. Its totient is φ = 6944256.

The previous prime is 13911991. The next prime is 13912007. The reversal of 13911992 is 29911931.

13911992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13911991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (1633065).

Almost surely, 2^13911992 is an apocalyptic number.

It is an amenable number.

13911992 is a deficient number, since it is larger than the sum of its proper divisors (12217048).

13911992 is a wasteful number, since it uses less digits than its factorization.

13911992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2938 counting only the distinct ones).

The product of its digits is 4374, while the sum is 35.

The square root of 13911992 is about 3729.8782821964. The cubic root of 13911992 is about 240.5081363597.

The spelling of 13911992 in words is "thirteen million, nine hundred eleven thousand, nine hundred ninety-two".