12950647864 has 48 divisors (see below), whose sum is σ = 30814863480. Its totient is φ = 5045705280.

The previous prime is 12950647837. The next prime is 12950647873. The reversal of 12950647864 is 46874605921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1497387 + ... + 1506010.

Almost surely, 2^12950647864 is an apocalyptic number.

12950647864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12950647864 is an abundant number, since it is smaller than the sum of its proper divisors (17864215616).

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

12950647864 is a wasteful number, since it uses less digits than its factorization.

12950647864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003428 (or 3003417 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 12950647864 in words is "twelve billion, nine hundred fifty million, six hundred forty-seven thousand, eight hundred sixty-four".