12636514456 has 16 divisors (see below), whose sum is σ = 24723615600. Its totient is φ = 6043550304.

The previous prime is 12636514439. The next prime is 12636514459. The reversal of 12636514456 is 65441563621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636514459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34338171 + ... + 34338538.

It is an arithmetic number, because the mean of its divisors is an integer number (1545225975).

Almost surely, 2^12636514456 is an apocalyptic number.

It is an amenable number.

12636514456 is a deficient number, since it is larger than the sum of its proper divisors (12087101144).

12636514456 is a wasteful number, since it uses less digits than its factorization.

12636514456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68676738 (or 68676734 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 12636514456 in words is "twelve billion, six hundred thirty-six million, five hundred fourteen thousand, four hundred fifty-six".