13227185947 has 2 divisors, whose sum is σ = 13227185948. Its totient is φ = 13227185946.

The previous prime is 13227185899. The next prime is 13227185953. The reversal of 13227185947 is 74958172231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13227185947 - 2⁷ = 13227185819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13227185947.

It is not a weakly prime, because it can be changed into another prime (13227185047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613592973 + 6613592974.

It is an arithmetic number, because the mean of its divisors is an integer number (6613592974).

Almost surely, 2^13227185947 is an apocalyptic number.

13227185947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227185947 is an equidigital number, since it uses as much as digits as its factorization.

13227185947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The spelling of 13227185947 in words is "thirteen billion, two hundred twenty-seven million, one hundred eighty-five thousand, nine hundred forty-seven".