13312120 has 16 divisors (see below), whose sum is σ = 29952360. Its totient is φ = 5324832.

The previous prime is 13312109. The next prime is 13312129. The reversal of 13312120 is 2121331.

It is a self number, because there is not a number n which added to its sum of digits gives 13312120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166362 + ... + 166441.

Almost surely, 2^13312120 is an apocalyptic number.

13312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312120 is an abundant number, since it is smaller than the sum of its proper divisors (16640240).

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

13312120 is a wasteful number, since it uses less digits than its factorization.

13312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332814 (or 332810 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13312120 is about 3648.5778051180. The cubic root of 13312120 is about 237.0003976089. Note that the first 3 decimals are identical.

Adding to 13312120 its reverse (2121331), we get a palindrome (15433451).

The spelling of 13312120 in words is "thirteen million, three hundred twelve thousand, one hundred twenty".