12650798964 has 12 divisors (see below), whose sum is σ = 29518530944. Its totient is φ = 4216932984.

The previous prime is 12650798947. The next prime is 12650798969. The reversal of 12650798964 is 46989705621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650798969) 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, 527116612 + ... + 527116635.

Almost surely, 2^12650798964 is an apocalyptic number.

It is an amenable number.

12650798964 is an abundant number, since it is smaller than the sum of its proper divisors (16867731980).

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

12650798964 is a wasteful number, since it uses less digits than its factorization.

12650798964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054233254 (or 1054233252 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 12650798964 in words is "twelve billion, six hundred fifty million, seven hundred ninety-eight thousand, nine hundred sixty-four".