12648806724 has 12 divisors (see below), whose sum is σ = 29513882384. Its totient is φ = 4216268904.

The previous prime is 12648806719. The next prime is 12648806741. The reversal of 12648806724 is 42760884621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12648806724² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527033602 + ... + 527033625.

Almost surely, 2^12648806724 is an apocalyptic number.

It is an amenable number.

12648806724 is an abundant number, since it is smaller than the sum of its proper divisors (16865075660).

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

12648806724 is a wasteful number, since it uses less digits than its factorization.

12648806724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054067234 (or 1054067232 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 12648806724 in words is "twelve billion, six hundred forty-eight million, eight hundred six thousand, seven hundred twenty-four".