13933280 has 24 divisors (see below), whose sum is σ = 32917752. Its totient is φ = 5573248.

The previous prime is 13933277. The next prime is 13933301. The reversal of 13933280 is 8233931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43382 + ... + 43701.

It is an arithmetic number, because the mean of its divisors is an integer number (1371573).

Almost surely, 2^13933280 is an apocalyptic number.

13933280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13933280 is an abundant number, since it is smaller than the sum of its proper divisors (18984472).

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

13933280 is an equidigital number, since it uses as much as digits as its factorization.

13933280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87098 (or 87090 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13933280 is about 3732.7309037754. The cubic root of 13933280 is about 240.6307482744.

The spelling of 13933280 in words is "thirteen million, nine hundred thirty-three thousand, two hundred eighty".