13113487427 has 2 divisors, whose sum is σ = 13113487428. Its totient is φ = 13113487426.

The previous prime is 13113487417. The next prime is 13113487487. The reversal of 13113487427 is 72478431131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13113487427 - 2⁸ = 13113487171 is a prime.

It is not a weakly prime, because it can be changed into another prime (13113487417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556743713 + 6556743714.

It is an arithmetic number, because the mean of its divisors is an integer number (6556743714).

Almost surely, 2^13113487427 is an apocalyptic number.

13113487427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113487427 is an equidigital number, since it uses as much as digits as its factorization.

13113487427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The spelling of 13113487427 in words is "thirteen billion, one hundred thirteen million, four hundred eighty-seven thousand, four hundred twenty-seven".