12674255617 has 4 divisors (see below), whose sum is σ = 12677062320. Its totient is φ = 12671448916.

The previous prime is 12674255603. The next prime is 12674255623. The reversal of 12674255617 is 71655247621.

12674255617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 71655247621 = 97 ⋅738713893.

It is a cyclic number.

It is not a de Polignac number, because 12674255617 - 2²³ = 12665867009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12674255677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396567 + ... + 1405612.

It is an arithmetic number, because the mean of its divisors is an integer number (3169265580).

Almost surely, 2^12674255617 is an apocalyptic number.

It is an amenable number.

12674255617 is a deficient number, since it is larger than the sum of its proper divisors (2806703).

12674255617 is an equidigital number, since it uses as much as digits as its factorization.

12674255617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806702.

The product of its digits is 705600, while the sum is 46.

The spelling of 12674255617 in words is "twelve billion, six hundred seventy-four million, two hundred fifty-five thousand, six hundred seventeen".