13011212 has 12 divisors (see below), whose sum is σ = 22802640. Its totient is φ = 6496176.

The previous prime is 13011209. The next prime is 13011223. The reversal of 13011212 is 21211031.

It is a junction number, because it is equal to n+sod(n) for n = 13011193 and 13011202.

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, 1418 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (1900220).

Almost surely, 2^13011212 is an apocalyptic number.

It is an amenable number.

13011212 is a deficient number, since it is larger than the sum of its proper divisors (9791428).

13011212 is a wasteful number, since it uses less digits than its factorization.

13011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13011212 is about 3607.1057650144. The cubic root of 13011212 is about 235.2010472056.

Adding to 13011212 its reverse (21211031), we get a palindrome (34222243).

The spelling of 13011212 in words is "thirteen million, eleven thousand, two hundred twelve".