12994632571 has 2 divisors, whose sum is σ = 12994632572. Its totient is φ = 12994632570.

The previous prime is 12994632527. The next prime is 12994632577. The reversal of 12994632571 is 17523649921.

It is a strong prime.

It is an emirp because it is prime and its reverse (17523649921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12994632571 - 2¹⁵ = 12994599803 is a prime.

It is not a weakly prime, because it can be changed into another prime (12994632577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6497316285 + 6497316286.

It is an arithmetic number, because the mean of its divisors is an integer number (6497316286).

Almost surely, 2^12994632571 is an apocalyptic number.

12994632571 is a deficient number, since it is larger than the sum of its proper divisors (1).

12994632571 is an equidigital number, since it uses as much as digits as its factorization.

12994632571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The spelling of 12994632571 in words is "twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, five hundred seventy-one".