12536394928 has 20 divisors (see below), whose sum is σ = 24308119528. Its totient is φ = 6263331840.

The previous prime is 12536394919. The next prime is 12536394977. The reversal of 12536394928 is 82949363521.

12536394928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12536394928² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 282801 + ... + 324112.

Almost surely, 2^12536394928 is an apocalyptic number.

It is an amenable number.

12536394928 is a deficient number, since it is larger than the sum of its proper divisors (11771724600).

12536394928 is a wasteful number, since it uses less digits than its factorization.

12536394928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608212 (or 608206 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 12536394928 in words is "twelve billion, five hundred thirty-six million, three hundred ninety-four thousand, nine hundred twenty-eight".