13331212 has 12 divisors (see below), whose sum is σ = 23498440. Its totient is φ = 6617376.

The previous prime is 13331203. The next prime is 13331231. The reversal of 13331212 is 21213331.

13331212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11433 + ... + 12544.

Almost surely, 2^13331212 is an apocalyptic number.

It is an amenable number.

13331212 is a deficient number, since it is larger than the sum of its proper divisors (10167228).

13331212 is a wasteful number, since it uses less digits than its factorization.

13331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24120 (or 24118 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 13331212 is about 3651.1932296169. The cubic root of 13331212 is about 237.1136440385.

Adding to 13331212 its reverse (21213331), we get a palindrome (34544543).

The spelling of 13331212 in words is "thirteen million, three hundred thirty-one thousand, two hundred twelve".