13879534 has 16 divisors (see below), whose sum is σ = 22138272. Its totient is φ = 6511648.

The previous prime is 13879507. The next prime is 13879543. The reversal of 13879534 is 43597831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409 + ... + 5284.

It is an arithmetic number, because the mean of its divisors is an integer number (1383642).

Almost surely, 2^13879534 is an apocalyptic number.

13879534 is a deficient number, since it is larger than the sum of its proper divisors (8258738).

13879534 is a wasteful number, since it uses less digits than its factorization.

13879534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its digits is 90720, while the sum is 40.

The square root of 13879534 is about 3725.5246610377. The cubic root of 13879534 is about 240.3209479253.

The spelling of 13879534 in words is "thirteen million, eight hundred seventy-nine thousand, five hundred thirty-four".