13942280 has 32 divisors (see below), whose sum is σ = 34223040. Its totient is φ = 5069760.

The previous prime is 13942237. The next prime is 13942289. The reversal of 13942280 is 8224931.

It is not an unprimeable number, because it can be changed into a prime (13942289) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15404 + ... + 16283.

It is an arithmetic number, because the mean of its divisors is an integer number (1069470).

Almost surely, 2^13942280 is an apocalyptic number.

13942280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13942280 is an abundant number, since it is smaller than the sum of its proper divisors (20280760).

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

13942280 is a wasteful number, since it uses less digits than its factorization.

13942280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31709 (or 31705 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13942280 is about 3733.9362608379. The cubic root of 13942280 is about 240.6825477695.

The spelling of 13942280 in words is "thirteen million, nine hundred forty-two thousand, two hundred eighty".