12647476507 has 2 divisors, whose sum is σ = 12647476508. Its totient is φ = 12647476506.

The previous prime is 12647476427. The next prime is 12647476529. The reversal of 12647476507 is 70567474621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12647476507 - 2²³ = 12639087899 is a prime.

It is not a weakly prime, because it can be changed into another prime (12647476207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6323738253 + 6323738254.

It is an arithmetic number, because the mean of its divisors is an integer number (6323738254).

Almost surely, 2^12647476507 is an apocalyptic number.

12647476507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12647476507 is an equidigital number, since it uses as much as digits as its factorization.

12647476507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 12647476507 in words is "twelve billion, six hundred forty-seven million, four hundred seventy-six thousand, five hundred seven".