13879015 has 8 divisors (see below), whose sum is σ = 16743168. Its totient is φ = 11044320.

The previous prime is 13879001. The next prime is 13879027. The reversal of 13879015 is 51097831.

It is a happy number.

13879015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13879015 is a prime.

It is a Duffinian number.

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, 6312 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (2092896).

Almost surely, 2^13879015 is an apocalyptic number.

13879015 is a deficient number, since it is larger than the sum of its proper divisors (2864153).

13879015 is a wasteful number, since it uses less digits than its factorization.

13879015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14729.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13879015 is about 3725.4550057678. The cubic root of 13879015 is about 240.3179524326.

The spelling of 13879015 in words is "thirteen million, eight hundred seventy-nine thousand, fifteen".