12730963536 has 80 divisors (see below), whose sum is σ = 38692166400. Its totient is φ = 3994025472.

The previous prime is 12730963513. The next prime is 12730963561. The reversal of 12730963536 is 63536903721.

12730963536 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 0 + 9 + 635 + 3 + 6 = 666.

12730963536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12730963491 and 12730963500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859416 + ... + 874103.

It is an arithmetic number, because the mean of its divisors is an integer number (483652080).

Almost surely, 2^12730963536 is an apocalyptic number.

12730963536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12730963536 is an abundant number, since it is smaller than the sum of its proper divisors (25961202864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12730963536 is a wasteful number, since it uses less digits than its factorization.

12730963536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733553 (or 1733541 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 12730963536 in words is "twelve billion, seven hundred thirty million, nine hundred sixty-three thousand, five hundred thirty-six".