13879522 has 4 divisors (see below), whose sum is σ = 20819286. Its totient is φ = 6939760.

The previous prime is 13879507. The next prime is 13879543. The reversal of 13879522 is 22597831.

13879522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22597831 = 163 ⋅138637.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 4076361 = 3131^2 + 2019^2 .

It is a super-2 number, since 2×13879522² = 385282261896968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469879 + ... + 3469882.

Almost surely, 2^13879522 is an apocalyptic number.

13879522 is a deficient number, since it is larger than the sum of its proper divisors (6939764).

13879522 is an equidigital number, since it uses as much as digits as its factorization.

13879522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939763.

The product of its digits is 30240, while the sum is 37.

The square root of 13879522 is about 3725.5230505259. The cubic root of 13879522 is about 240.3208786662.

The spelling of 13879522 in words is "thirteen million, eight hundred seventy-nine thousand, five hundred twenty-two".