13047122177 has 4 divisors (see below), whose sum is σ = 13072755540. Its totient is φ = 13021488816.

The previous prime is 13047122159. The next prime is 13047122183. The reversal of 13047122177 is 77122174031.

It is a Cunningham number, because it is equal to 114224²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10609824016 + 2437298161 = 103004^2 + 49369^2 .

It is a cyclic number.

It is not a de Polignac number, because 13047122177 - 2¹⁴ = 13047105793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13047122477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12815918 + ... + 12816935.

It is an arithmetic number, because the mean of its divisors is an integer number (3268188885).

Almost surely, 2^13047122177 is an apocalyptic number.

It is an amenable number.

13047122177 is a deficient number, since it is larger than the sum of its proper divisors (25633363).

13047122177 is an equidigital number, since it uses as much as digits as its factorization.

13047122177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25633362.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 13047122177 in words is "thirteen billion, forty-seven million, one hundred twenty-two thousand, one hundred seventy-seven".