12747802446671 has 2 divisors, whose sum is σ = 12747802446672. Its totient is φ = 12747802446670.

The previous prime is 12747802446637. The next prime is 12747802446727. The reversal of 12747802446671 is 17664420874721.

It is a weak prime.

It is an emirp because it is prime and its reverse (17664420874721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12747802446671 - 2⁶ = 12747802446607 is a prime.

It is a super-2 number, since 2×12747802446671² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12747802446671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12747802446611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373901223335 + 6373901223336.

It is an arithmetic number, because the mean of its divisors is an integer number (6373901223336).

Almost surely, 2^{12747802446671} is an apocalyptic number.

12747802446671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12747802446671 is an equidigital number, since it uses as much as digits as its factorization.

12747802446671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 12747802446671 in words is "twelve trillion, seven hundred forty-seven billion, eight hundred two million, four hundred forty-six thousand, six hundred seventy-one".