13985526 has 32 divisors (see below), whose sum is σ = 30578688. Its totient is φ = 4245120.

The previous prime is 13985459. The next prime is 13985533. The reversal of 13985526 is 62558931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (955584).

Almost surely, 2^13985526 is an apocalyptic number.

13985526 is an abundant number, since it is smaller than the sum of its proper divisors (16593162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13985526 is a wasteful number, since it uses less digits than its factorization.

13985526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its digits is 64800, while the sum is 39.

The square root of 13985526 is about 3739.7227169939. The cubic root of 13985526 is about 240.9311396845.

Subtracting from 13985526 its product of digits (64800), we obtain a triangular number (13920726 = T₅₂₇₆).

The spelling of 13985526 in words is "thirteen million, nine hundred eighty-five thousand, five hundred twenty-six".