12689500964 has 24 divisors (see below), whose sum is σ = 25549339200. Its totient is φ = 5401856736.

The previous prime is 12689500931. The next prime is 12689501009. The reversal of 12689500964 is 46900598621.

12689500964 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 2×12689500964² (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 7 ways as a sum of consecutive naturals, for example, 1516622 + ... + 1524965.

It is an arithmetic number, because the mean of its divisors is an integer number (1064555800).

Almost surely, 2^12689500964 is an apocalyptic number.

12689500964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12689500964 is an abundant number, since it is smaller than the sum of its proper divisors (12859838236).

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

12689500964 is a wasteful number, since it uses less digits than its factorization.

12689500964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041747 (or 3041745 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 12689500964 in words is "twelve billion, six hundred eighty-nine million, five hundred thousand, nine hundred sixty-four".