13223312 has 20 divisors (see below), whose sum is σ = 25760256. Its totient is φ = 6575520.

The previous prime is 13223299. The next prime is 13223323. The reversal of 13223312 is 21332231.

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, 893 + ... + 5219.

Almost surely, 2^13223312 is an apocalyptic number.

It is an amenable number.

13223312 is a deficient number, since it is larger than the sum of its proper divisors (12536944).

13223312 is a wasteful number, since it uses less digits than its factorization.

13223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526 (or 4520 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 13223312 is about 3636.3872181054. The cubic root of 13223312 is about 236.4721944941.

Adding to 13223312 its reverse (21332231), we get a palindrome (34555543).

The spelling of 13223312 in words is "thirteen million, two hundred twenty-three thousand, three hundred twelve".