12767806384 has 20 divisors (see below), whose sum is σ = 24752516184. Its totient is φ = 6380060288.

The previous prime is 12767806349. The next prime is 12767806393. The reversal of 12767806384 is 48360876721.

It is a super-2 number, since 2×12767806384² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212677 + ... + 266020.

Almost surely, 2^12767806384 is an apocalyptic number.

It is an amenable number.

12767806384 is a deficient number, since it is larger than the sum of its proper divisors (11984709800).

12767806384 is a wasteful number, since it uses less digits than its factorization.

12767806384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480372 (or 480366 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 12767806384 in words is "twelve billion, seven hundred sixty-seven million, eight hundred six thousand, three hundred eighty-four".