12662618013 has 24 divisors (see below), whose sum is σ = 18642817440. Its totient is φ = 8279238240.

The previous prime is 12662617991. The next prime is 12662618047. The reversal of 12662618013 is 31081626621.

It is a happy number.

12662618013 is a `hidden beast` number, since 1 + 2 + 6 + 626 + 18 + 0 + 13 = 666.

It is not a de Polignac number, because 12662618013 - 2⁸ = 12662617757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662618093) 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, 2234778 + ... + 2240436.

It is an arithmetic number, because the mean of its divisors is an integer number (776784060).

Almost surely, 2^12662618013 is an apocalyptic number.

It is an amenable number.

12662618013 is a deficient number, since it is larger than the sum of its proper divisors (5980199427).

12662618013 is a wasteful number, since it uses less digits than its factorization.

12662618013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409 (or 10406 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 12662618013 in words is "twelve billion, six hundred sixty-two million, six hundred eighteen thousand, thirteen".