12704647607 has 2 divisors, whose sum is σ = 12704647608. Its totient is φ = 12704647606.

The previous prime is 12704647601. The next prime is 12704647661. The reversal of 12704647607 is 70674640721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12704647607 is a prime.

It is a super-2 number, since 2×12704647607² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704647601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352323803 + 6352323804.

It is an arithmetic number, because the mean of its divisors is an integer number (6352323804).

Almost surely, 2^12704647607 is an apocalyptic number.

12704647607 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704647607 is an equidigital number, since it uses as much as digits as its factorization.

12704647607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 12704647607 in words is "twelve billion, seven hundred four million, six hundred forty-seven thousand, six hundred seven".