12813332 has 24 divisors (see below), whose sum is σ = 25709376. Its totient is φ = 5473728.

The previous prime is 12813329. The next prime is 12813337. The reversal of 12813332 is 23331821.

It is a junction number, because it is equal to n+sod(n) for n = 12813298 and 12813307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813337) 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, 11888 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (1071224).

Almost surely, 2^12813332 is an apocalyptic number.

It is an amenable number.

12813332 is an abundant number, since it is smaller than the sum of its proper divisors (12896044).

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

12813332 is a wasteful number, since it uses less digits than its factorization.

12813332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1485 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 12813332 is about 3579.5714827337. The cubic root of 12813332 is about 234.0026054693.

The spelling of 12813332 in words is "twelve million, eight hundred thirteen thousand, three hundred thirty-two".