13930812 has 48 divisors (see below), whose sum is σ = 41278720. Its totient is φ = 3980016.

The previous prime is 13930799. The next prime is 13930823. The reversal of 13930812 is 21803931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8458 + ... + 9969.

Almost surely, 2^13930812 is an apocalyptic number.

13930812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13930812 is an abundant number, since it is smaller than the sum of its proper divisors (27347908).

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

13930812 is a wasteful number, since it uses less digits than its factorization.

13930812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18447 (or 18439 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13930812 is about 3732.4003000750. The cubic root of 13930812 is about 240.6165398049.

The spelling of 13930812 in words is "thirteen million, nine hundred thirty thousand, eight hundred twelve".