13180993 has 12 divisors (see below), whose sum is σ = 15608320. Its totient is φ = 10903536.

The previous prime is 13180961. The next prime is 13180997. The reversal of 13180993 is 39908131.

It is not a de Polignac number, because 13180993 - 2⁵ = 13180961 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13180997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4768 + ... + 7006.

Almost surely, 2^13180993 is an apocalyptic number.

It is an amenable number.

13180993 is a deficient number, since it is larger than the sum of its proper divisors (2427327).

13180993 is an equidigital number, since it uses as much as digits as its factorization.

13180993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 13180993 is about 3630.5637303317. The cubic root of 13180993 is about 236.2196616604.

The spelling of 13180993 in words is "thirteen million, one hundred eighty thousand, nine hundred ninety-three".