13879361 has 8 divisors (see below), whose sum is σ = 15054984. Its totient is φ = 12743680.

The previous prime is 13879357. The next prime is 13879379. The reversal of 13879361 is 16397831.

It can be written as a sum of positive squares in 4 ways, for example, as 48400 + 13830961 = 220^2 + 3719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13879361 - 2² = 13879357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (1881873).

Almost surely, 2^13879361 is an apocalyptic number.

It is an amenable number.

13879361 is a deficient number, since it is larger than the sum of its proper divisors (1175623).

13879361 is a wasteful number, since it uses less digits than its factorization.

13879361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19971.

The product of its digits is 27216, while the sum is 38.

The square root of 13879361 is about 3725.5014427591. The cubic root of 13879361 is about 240.3199494360.

The spelling of 13879361 in words is "thirteen million, eight hundred seventy-nine thousand, three hundred sixty-one".