12667533613 has 16 divisors (see below), whose sum is σ = 15216917760. Its totient is φ = 10309977216.

The previous prime is 12667533583. The next prime is 12667533617. The reversal of 12667533613 is 31633576621.

It is not a de Polignac number, because 12667533613 - 2²⁵ = 12633979181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12667533613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667533617) 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, 265098 + ... + 309211.

It is an arithmetic number, because the mean of its divisors is an integer number (951057360).

Almost surely, 2^12667533613 is an apocalyptic number.

It is an amenable number.

12667533613 is a deficient number, since it is larger than the sum of its proper divisors (2549384147).

12667533613 is a wasteful number, since it uses less digits than its factorization.

12667533613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574476.

The product of its digits is 408240, while the sum is 43.

The spelling of 12667533613 in words is "twelve billion, six hundred sixty-seven million, five hundred thirty-three thousand, six hundred thirteen".