13681926 has 16 divisors (see below), whose sum is σ = 30404400. Its totient is φ = 4560624.

The previous prime is 13681907. The next prime is 13681951. The reversal of 13681926 is 62918631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126631 + ... + 126738.

It is an arithmetic number, because the mean of its divisors is an integer number (1900275).

Almost surely, 2^13681926 is an apocalyptic number.

13681926 is an abundant number, since it is smaller than the sum of its proper divisors (16722474).

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

13681926 is a wasteful number, since it uses less digits than its factorization.

13681926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253380 (or 253374 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13681926 is about 3698.9087579988. The cubic root of 13681926 is about 239.1749796725.

The spelling of 13681926 in words is "thirteen million, six hundred eighty-one thousand, nine hundred twenty-six".