13805072 has 20 divisors (see below), whose sum is σ = 26831616. Its totient is φ = 6880800.

The previous prime is 13805059. The next prime is 13805087. The reversal of 13805072 is 27050831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697 + ... + 7047.

Almost surely, 2^13805072 is an apocalyptic number.

It is an amenable number.

13805072 is a deficient number, since it is larger than the sum of its proper divisors (13026544).

13805072 is a wasteful number, since it uses less digits than its factorization.

13805072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 13805072 is about 3715.5177297383. The cubic root of 13805072 is about 239.8904129317.

The spelling of 13805072 in words is "thirteen million, eight hundred five thousand, seventy-two".