12967411531 has 4 divisors (see below), whose sum is σ = 13243313952. Its totient is φ = 12691509112.

The previous prime is 12967411511. The next prime is 12967411553. The reversal of 12967411531 is 13511476921.

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

It is a cyclic number.

It is not a de Polignac number, because 12967411531 - 2⁹ = 12967411019 is a prime.

It is a super-2 number, since 2×12967411531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12967411511) 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, 137951140 + ... + 137951233.

It is an arithmetic number, because the mean of its divisors is an integer number (3310828488).

Almost surely, 2^12967411531 is an apocalyptic number.

12967411531 is a deficient number, since it is larger than the sum of its proper divisors (275902421).

12967411531 is an equidigital number, since it uses as much as digits as its factorization.

12967411531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275902420.

The product of its digits is 45360, while the sum is 40.

The spelling of 12967411531 in words is "twelve billion, nine hundred sixty-seven million, four hundred eleven thousand, five hundred thirty-one".