13312312 has 32 divisors (see below), whose sum is σ = 28299600. Its totient is φ = 5819904.

The previous prime is 13312307. The next prime is 13312319. The reversal of 13312312 is 21321331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393 + ... + 5344.

Almost surely, 2^13312312 is an apocalyptic number.

It is an amenable number.

13312312 is an abundant number, since it is smaller than the sum of its proper divisors (14987288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13312312 is a wasteful number, since it uses less digits than its factorization.

13312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6771 counting only the distinct ones).

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

The square root of 13312312 is about 3648.6041166452. The cubic root of 13312312 is about 237.0015370182.

Adding to 13312312 its reverse (21321331), we get a palindrome (34633643).

The spelling of 13312312 in words is "thirteen million, three hundred twelve thousand, three hundred twelve".