13180969 has 4 divisors (see below), whose sum is σ = 13190544. Its totient is φ = 13171396.

The previous prime is 13180961. The next prime is 13180997. The reversal of 13180969 is 96908131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96908131 = 23 ⋅4213397.

It is a cyclic number.

It is not a de Polignac number, because 13180969 - 2³ = 13180961 is a prime.

It is a super-2 number, since 2×13180969² = 347475887557922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287 + ... + 5620.

It is an arithmetic number, because the mean of its divisors is an integer number (3297636).

Almost surely, 2^13180969 is an apocalyptic number.

It is an amenable number.

13180969 is a deficient number, since it is larger than the sum of its proper divisors (9575).

13180969 is an equidigital number, since it uses as much as digits as its factorization.

13180969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 13180969 is about 3630.5604250584. The cubic root of 13180969 is about 236.2195182905.

The spelling of 13180969 in words is "thirteen million, one hundred eighty thousand, nine hundred sixty-nine".