13397994 has 32 divisors (see below), whose sum is σ = 29931840. Its totient is φ = 4442256.

The previous prime is 13397987. The next prime is 13398001. The reversal of 13397994 is 49979331.

It is an interprime number because it is at equal distance from previous prime (13397987) and next prime (13398001).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11712 + ... + 12804.

It is an arithmetic number, because the mean of its divisors is an integer number (935370).

Almost surely, 2^13397994 is an apocalyptic number.

13397994 is an abundant number, since it is smaller than the sum of its proper divisors (16533846).

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

13397994 is a wasteful number, since it uses less digits than its factorization.

13397994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1325 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 13397994 is about 3660.3270345695. The cubic root of 13397994 is about 237.5089208099.

The spelling of 13397994 in words is "thirteen million, three hundred ninety-seven thousand, nine hundred ninety-four".