13879523 has 8 divisors (see below), whose sum is σ = 16200192. Its totient is φ = 11643336.

The previous prime is 13879507. The next prime is 13879543. The reversal of 13879523 is 32597831.

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 13879523 - 2⁴ = 13879507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879543) by changing a digit.

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, 20765 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (2025024).

Almost surely, 2^13879523 is an apocalyptic number.

13879523 is a deficient number, since it is larger than the sum of its proper divisors (2320669).

13879523 is an equidigital number, since it uses as much as digits as its factorization.

13879523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42241.

The product of its digits is 45360, while the sum is 38.

The square root of 13879523 is about 3725.5231847353. The cubic root of 13879523 is about 240.3208844378.

The spelling of 13879523 in words is "thirteen million, eight hundred seventy-nine thousand, five hundred twenty-three".