12836649776 has 20 divisors (see below), whose sum is σ = 25400180832. Its totient is φ = 6281764416.

The previous prime is 12836649757. The next prime is 12836649811. The reversal of 12836649776 is 67794663821.

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, 8534255 + ... + 8535758.

Almost surely, 2^12836649776 is an apocalyptic number.

12836649776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12836649776 is a deficient number, since it is larger than the sum of its proper divisors (12563531056).

12836649776 is a wasteful number, since it uses less digits than its factorization.

12836649776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070068 (or 17070062 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The spelling of 12836649776 in words is "twelve billion, eight hundred thirty-six million, six hundred forty-nine thousand, seven hundred seventy-six".