13797117 has 12 divisors (see below), whose sum is σ = 19992700. Its totient is φ = 9168768.

The previous prime is 13797107. The next prime is 13797137. The reversal of 13797117 is 71179731.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 6859161 = 2634^2 + 2619^2 .

It is not a de Polignac number, because 13797117 - 2⁴ = 13797101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13797107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759 + ... + 5307.

Almost surely, 2^13797117 is an apocalyptic number.

13797117 is the 3033-rd pentagonal number.

It is an amenable number.

13797117 is a deficient number, since it is larger than the sum of its proper divisors (6195583).

13797117 is a wasteful number, since it uses less digits than its factorization.

13797117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4889 counting only the distinct ones).

The product of its digits is 9261, while the sum is 36.

The square root of 13797117 is about 3714.4470651767. The cubic root of 13797117 is about 239.8443261287.

The spelling of 13797117 in words is "thirteen million, seven hundred ninety-seven thousand, one hundred seventeen".