12327077636 has 12 divisors (see below), whose sum is σ = 21608768412. Its totient is φ = 6153143808.

The previous prime is 12327077629. The next prime is 12327077669. The reversal of 12327077636 is 63677072321.

It can be written as a sum of positive squares in 2 ways, for example, as 3468503236 + 8858574400 = 58894^2 + 94120^2 .

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, 2596085 + ... + 2600828.

It is an arithmetic number, because the mean of its divisors is an integer number (1800730701).

Almost surely, 2^12327077636 is an apocalyptic number.

It is an amenable number.

12327077636 is a deficient number, since it is larger than the sum of its proper divisors (9281690776).

12327077636 is a wasteful number, since it uses less digits than its factorization.

12327077636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197510 (or 5197508 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 12327077636 in words is "twelve billion, three hundred twenty-seven million, seventy-seven thousand, six hundred thirty-six".