13124324987 has 2 divisors, whose sum is σ = 13124324988. Its totient is φ = 13124324986.

The previous prime is 13124324971. The next prime is 13124325017. The reversal of 13124324987 is 78942342131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13124324987 - 2⁴ = 13124324971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13124324947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562162493 + 6562162494.

It is an arithmetic number, because the mean of its divisors is an integer number (6562162494).

Almost surely, 2^13124324987 is an apocalyptic number.

13124324987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124324987 is an equidigital number, since it uses as much as digits as its factorization.

13124324987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The spelling of 13124324987 in words is "thirteen billion, one hundred twenty-four million, three hundred twenty-four thousand, nine hundred eighty-seven".