13160977 has 6 divisors (see below), whose sum is σ = 13890498. Its totient is φ = 12467952.

The previous prime is 13160971. The next prime is 13160989. The reversal of 13160977 is 77906131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 938961 = 3496^2 + 969^2 .

It is not a de Polignac number, because 13160977 - 2³ = 13160969 is a prime.

It is a super-2 number, since 2×13160977² = 346422631189058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13160971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17868 + ... + 18589.

It is an arithmetic number, because the mean of its divisors is an integer number (2315083).

Almost surely, 2^13160977 is an apocalyptic number.

It is an amenable number.

13160977 is a deficient number, since it is larger than the sum of its proper divisors (729521).

13160977 is an equidigital number, since it uses as much as digits as its factorization.

13160977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36495 (or 36476 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 13160977 is about 3627.8060863282. The cubic root of 13160977 is about 236.1000306106.

The spelling of 13160977 in words is "thirteen million, one hundred sixty thousand, nine hundred seventy-seven".