12636733628 has 6 divisors (see below), whose sum is σ = 22114283856. Its totient is φ = 6318366812.

The previous prime is 12636733601. The next prime is 12636733643. The reversal of 12636733628 is 82633763621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579591700 + ... + 1579591707.

It is an arithmetic number, because the mean of its divisors is an integer number (3685713976).

Almost surely, 2^12636733628 is an apocalyptic number.

It is an amenable number.

12636733628 is a deficient number, since it is larger than the sum of its proper divisors (9477550228).

12636733628 is a wasteful number, since it uses less digits than its factorization.

12636733628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159183411 (or 3159183409 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The spelling of 12636733628 in words is "twelve billion, six hundred thirty-six million, seven hundred thirty-three thousand, six hundred twenty-eight".