13756920 has 32 divisors (see below), whose sum is σ = 41271120. Its totient is φ = 3668480.

The previous prime is 13756879. The next prime is 13756949. The reversal of 13756920 is 2965731.

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, 57201 + ... + 57440.

Almost surely, 2^13756920 is an apocalyptic number.

13756920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13756920 is an abundant number, since it is smaller than the sum of its proper divisors (27514200).

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

13756920 is a wasteful number, since it uses less digits than its factorization.

13756920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114655 (or 114651 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13756920 is about 3709.0322187870. The cubic root of 13756920 is about 239.6111759619.

The spelling of 13756920 in words is "thirteen million, seven hundred fifty-six thousand, nine hundred twenty".