13522839 has 12 divisors (see below), whose sum is σ = 19819128. Its totient is φ = 8195440.

The previous prime is 13522819. The next prime is 13522853. The reversal of 13522839 is 93822531.

13522839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13522839 - 2⁸ = 13522583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18264 + ... + 18989.

It is an arithmetic number, because the mean of its divisors is an integer number (1651594).

Almost surely, 2^13522839 is an apocalyptic number.

13522839 is a deficient number, since it is larger than the sum of its proper divisors (6296289).

13522839 is a wasteful number, since it uses less digits than its factorization.

13522839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37278 (or 37267 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 13522839 is about 3677.3412950119. The cubic root of 13522839 is about 238.2443586355.

The spelling of 13522839 in words is "thirteen million, five hundred twenty-two thousand, eight hundred thirty-nine".