12647860893 has 24 divisors (see below), whose sum is σ = 18347397120. Its totient is φ = 8395846560.

The previous prime is 12647860879. The next prime is 12647860913. The reversal of 12647860893 is 39806874621.

12647860893 is a `hidden beast` number, since 1 + 26 + 4 + 7 + 8 + 608 + 9 + 3 = 666.

It is not a de Polignac number, because 12647860893 - 2⁴ = 12647860877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647860843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3578155 + ... + 3581687.

It is an arithmetic number, because the mean of its divisors is an integer number (764474880).

Almost surely, 2^12647860893 is an apocalyptic number.

It is an amenable number.

12647860893 is a deficient number, since it is larger than the sum of its proper divisors (5699536227).

12647860893 is a wasteful number, since it uses less digits than its factorization.

12647860893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 12647860893 in words is "twelve billion, six hundred forty-seven million, eight hundred sixty thousand, eight hundred ninety-three".