13398312 has 32 divisors (see below), whose sum is σ = 35467200. Its totient is φ = 4203264.

The previous prime is 13398299. The next prime is 13398313. The reversal of 13398312 is 21389331.

It is a self number, because there is not a number n which added to its sum of digits gives 13398312.

It is not an unprimeable number, because it can be changed into a prime (13398313) 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, 16012 + ... + 16827.

It is an arithmetic number, because the mean of its divisors is an integer number (1108350).

Almost surely, 2^13398312 is an apocalyptic number.

13398312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13398312 is an abundant number, since it is smaller than the sum of its proper divisors (22068888).

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

13398312 is a wasteful number, since it uses less digits than its factorization.

13398312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32865 (or 32861 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 13398312 is about 3660.3704730532. The cubic root of 13398312 is about 237.5107998782.

The spelling of 13398312 in words is "thirteen million, three hundred ninety-eight thousand, three hundred twelve".