13293940 has 24 divisors (see below), whose sum is σ = 30455712. Its totient is φ = 4834080.

The previous prime is 13293893. The next prime is 13293971. The reversal of 13293940 is 4939231.

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, 29994 + ... + 30433.

It is an arithmetic number, because the mean of its divisors is an integer number (1268988).

Almost surely, 2^13293940 is an apocalyptic number.

13293940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13293940 is an abundant number, since it is smaller than the sum of its proper divisors (17161772).

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

13293940 is a wasteful number, since it uses less digits than its factorization.

13293940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60447 (or 60445 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13293940 is about 3646.0855722267. The cubic root of 13293940 is about 236.8924601272.

The spelling of 13293940 in words is "thirteen million, two hundred ninety-three thousand, nine hundred forty".