12704647601 has 2 divisors, whose sum is σ = 12704647602. Its totient is φ = 12704647600.

The previous prime is 12704647583. The next prime is 12704647607. The reversal of 12704647601 is 10674640721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12017421376 + 687226225 = 109624^2 + 26215^2 .

It is an emirp because it is prime and its reverse (10674640721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12704647601 is a prime.

It is a super-2 number, since 2×12704647601² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12704647607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352323800 + 6352323801.

It is an arithmetic number, because the mean of its divisors is an integer number (6352323801).

Almost surely, 2^12704647601 is an apocalyptic number.

It is an amenable number.

12704647601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704647601 is an equidigital number, since it uses as much as digits as its factorization.

12704647601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 12704647601 in words is "twelve billion, seven hundred four million, six hundred forty-seven thousand, six hundred one".