12973771177 has 4 divisors (see below), whose sum is σ = 12989536000. Its totient is φ = 12958006356.

The previous prime is 12973771147. The next prime is 12973771199. The reversal of 12973771177 is 77117737921.

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.

It is a cyclic number.

It is not a de Polignac number, because 12973771177 - 2²³ = 12965382569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973771117) 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, 7881177 + ... + 7882822.

It is an arithmetic number, because the mean of its divisors is an integer number (3247384000).

Almost surely, 2^12973771177 is an apocalyptic number.

It is an amenable number.

12973771177 is a deficient number, since it is larger than the sum of its proper divisors (15764823).

12973771177 is an equidigital number, since it uses as much as digits as its factorization.

12973771177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15764822.

The product of its digits is 907578, while the sum is 52.

The spelling of 12973771177 in words is "twelve billion, nine hundred seventy-three million, seven hundred seventy-one thousand, one hundred seventy-seven".