12974439271 has 4 divisors (see below), whose sum is σ = 13008673000. Its totient is φ = 12940205544.

The previous prime is 12974439263. The next prime is 12974439293. The reversal of 12974439271 is 17293447921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17293447921 = 67 ⋅258111163.

It is a cyclic number.

It is not a de Polignac number, because 12974439271 - 2³ = 12974439263 is a prime.

It is a super-2 number, since 2×12974439271² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974439241) 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, 17116296 + ... + 17117053.

It is an arithmetic number, because the mean of its divisors is an integer number (3252168250).

Almost surely, 2^12974439271 is an apocalyptic number.

12974439271 is a deficient number, since it is larger than the sum of its proper divisors (34233729).

12974439271 is an equidigital number, since it uses as much as digits as its factorization.

12974439271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34233728.

The product of its digits is 762048, while the sum is 49.

The spelling of 12974439271 in words is "twelve billion, nine hundred seventy-four million, four hundred thirty-nine thousand, two hundred seventy-one".