13247794667 has 2 divisors, whose sum is σ = 13247794668. Its totient is φ = 13247794666.

The previous prime is 13247794661. The next prime is 13247794717. The reversal of 13247794667 is 76649774231.

It is a weak prime.

It is an emirp because it is prime and its reverse (76649774231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13247794667 - 2²⁴ = 13231017451 is a prime.

It is not a weakly prime, because it can be changed into another prime (13247794661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623897333 + 6623897334.

It is an arithmetic number, because the mean of its divisors is an integer number (6623897334).

Almost surely, 2^13247794667 is an apocalyptic number.

13247794667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247794667 is an equidigital number, since it uses as much as digits as its factorization.

13247794667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 56.

The spelling of 13247794667 in words is "thirteen billion, two hundred forty-seven million, seven hundred ninety-four thousand, six hundred sixty-seven".