13805912 has 32 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 6621600.

The previous prime is 13805903. The next prime is 13805923. The reversal of 13805912 is 21950831.

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 7 ways as a sum of consecutive naturals, for example, 44237 + ... + 44547.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^13805912 is an apocalyptic number.

It is an amenable number.

13805912 is a deficient number, since it is larger than the sum of its proper divisors (13150888).

13805912 is a wasteful number, since it uses less digits than its factorization.

13805912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13805912 is about 3715.6307674472. The cubic root of 13805912 is about 239.8952783865.

The spelling of 13805912 in words is "thirteen million, eight hundred five thousand, nine hundred twelve".