13803212 has 12 divisors (see below), whose sum is σ = 24316656. Its totient is φ = 6855600.

The previous prime is 13803173. The next prime is 13803221. The reversal of 13803212 is 21230831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10823 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (2026388).

Almost surely, 2^13803212 is an apocalyptic number.

It is an amenable number.

13803212 is a deficient number, since it is larger than the sum of its proper divisors (10513444).

13803212 is a wasteful number, since it uses less digits than its factorization.

13803212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23008 (or 23006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13803212 is about 3715.2674197156. The cubic root of 13803212 is about 239.8796387223.

The spelling of 13803212 in words is "thirteen million, eight hundred three thousand, two hundred twelve".