13992522 has 16 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 4651232.

The previous prime is 13992509. The next prime is 13992523. The reversal of 13992522 is 22529931.

It is not an unprimeable number, because it can be changed into a prime (13992523) 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, 747 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (1753920).

Almost surely, 2^13992522 is an apocalyptic number.

13992522 is an abundant number, since it is smaller than the sum of its proper divisors (14070198).

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

13992522 is a wasteful number, since it uses less digits than its factorization.

13992522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477.

The product of its digits is 9720, while the sum is 33.

The square root of 13992522 is about 3740.6579635139. The cubic root of 13992522 is about 240.9713067657.

The spelling of 13992522 in words is "thirteen million, nine hundred ninety-two thousand, five hundred twenty-two".