13373997 has 16 divisors (see below), whose sum is σ = 21947520. Its totient is φ = 7054272.

The previous prime is 13373993. The next prime is 13373999. The reversal of 13373997 is 79937331.

It is not a de Polignac number, because 13373997 - 2² = 13373993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13373993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24222 + ... + 24767.

It is an arithmetic number, because the mean of its divisors is an integer number (1371720).

Almost surely, 2^13373997 is an apocalyptic number.

It is an amenable number.

13373997 is a deficient number, since it is larger than the sum of its proper divisors (8573523).

13373997 is a wasteful number, since it uses less digits than its factorization.

13373997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49012.

The product of its digits is 107163, while the sum is 42.

The square root of 13373997 is about 3657.0475796741. The cubic root of 13373997 is about 237.3670361931.

The spelling of 13373997 in words is "thirteen million, three hundred seventy-three thousand, nine hundred ninety-seven".