13180977 has 12 divisors (see below), whose sum is σ = 19324240. Its totient is φ = 8655768.

The previous prime is 13180961. The next prime is 13180997. The reversal of 13180977 is 77908131.

It is not a de Polignac number, because 13180977 - 2⁴ = 13180961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180957) 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, 10327 + ... + 11532.

Almost surely, 2^13180977 is an apocalyptic number.

It is an amenable number.

13180977 is a deficient number, since it is larger than the sum of its proper divisors (6143263).

13180977 is a wasteful number, since it uses less digits than its factorization.

13180977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21932 (or 21929 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13180977 is about 3630.5615268165. The cubic root of 13180977 is about 236.2195660805.

The spelling of 13180977 in words is "thirteen million, one hundred eighty thousand, nine hundred seventy-seven".