12871428713 has 16 divisors (see below), whose sum is σ = 15124869312. Its totient is φ = 10798920000.

The previous prime is 12871428709. The next prime is 12871428721. The reversal of 12871428713 is 31782417821.

It is a happy number.

It is not a de Polignac number, because 12871428713 - 2² = 12871428709 is a prime.

It is a super-2 number, since 2×12871428713² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12871428733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295063 + ... + 1304963.

It is an arithmetic number, because the mean of its divisors is an integer number (945304332).

Almost surely, 2^12871428713 is an apocalyptic number.

12871428713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12871428713 is a deficient number, since it is larger than the sum of its proper divisors (2253440599).

12871428713 is a wasteful number, since it uses less digits than its factorization.

12871428713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016.

The product of its digits is 150528, while the sum is 44.

The spelling of 12871428713 in words is "twelve billion, eight hundred seventy-one million, four hundred twenty-eight thousand, seven hundred thirteen".