12504660647 has 2 divisors, whose sum is σ = 12504660648. Its totient is φ = 12504660646.

The previous prime is 12504660611. The next prime is 12504660671. The reversal of 12504660647 is 74606640521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12504660647 - 2²⁸ = 12236225191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12504665647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252330323 + 6252330324.

It is an arithmetic number, because the mean of its divisors is an integer number (6252330324).

Almost surely, 2^12504660647 is an apocalyptic number.

12504660647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504660647 is an equidigital number, since it uses as much as digits as its factorization.

12504660647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 12504660647 in words is "twelve billion, five hundred four million, six hundred sixty thousand, six hundred forty-seven".