13916920 has 32 divisors (see below), whose sum is σ = 31849200. Its totient is φ = 5471488.

The previous prime is 13916893. The next prime is 13916933. The reversal of 13916920 is 2961931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589 + ... + 5308.

Almost surely, 2^13916920 is an apocalyptic number.

13916920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13916920 is an abundant number, since it is smaller than the sum of its proper divisors (17932280).

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

13916920 is a wasteful number, since it uses less digits than its factorization.

13916920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 13916920 is about 3730.5388350746. The cubic root of 13916920 is about 240.5365311474.

The spelling of 13916920 in words is "thirteen million, nine hundred sixteen thousand, nine hundred twenty".