13879392 has 24 divisors (see below), whose sum is σ = 36433656. Its totient is φ = 4626432.

The previous prime is 13879387. The next prime is 13879409. The reversal of 13879392 is 29397831.

It is a tau number, because it is divible by the number of its divisors (24).

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, 72193 + ... + 72384.

It is an arithmetic number, because the mean of its divisors is an integer number (1518069).

Almost surely, 2^13879392 is an apocalyptic number.

13879392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13879392 is an abundant number, since it is smaller than the sum of its proper divisors (22554264).

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

13879392 is a wasteful number, since it uses less digits than its factorization.

13879392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144590 (or 144582 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 13879392 is about 3725.5056032705. The cubic root of 13879392 is about 240.3201283567.

The spelling of 13879392 in words is "thirteen million, eight hundred seventy-nine thousand, three hundred ninety-two".