13882720 has 24 divisors (see below), whose sum is σ = 32798304. Its totient is φ = 5553024.

The previous prime is 13882717. The next prime is 13882741. The reversal of 13882720 is 2728831.

13882720 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43224 + ... + 43543.

It is an arithmetic number, because the mean of its divisors is an integer number (1366596).

Almost surely, 2^13882720 is an apocalyptic number.

13882720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13882720 is an abundant number, since it is smaller than the sum of its proper divisors (18915584).

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

13882720 is an equidigital number, since it uses as much as digits as its factorization.

13882720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86782 (or 86774 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13882720 is about 3725.9522272837. The cubic root of 13882720 is about 240.3393348049.

The spelling of 13882720 in words is "thirteen million, eight hundred eighty-two thousand, seven hundred twenty".