13246463987 has 2 divisors, whose sum is σ = 13246463988. Its totient is φ = 13246463986.

The previous prime is 13246463983. The next prime is 13246464043. The reversal of 13246463987 is 78936464231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13246463987 - 2² = 13246463983 is a prime.

It is not a weakly prime, because it can be changed into another prime (13246463983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623231993 + 6623231994.

It is an arithmetic number, because the mean of its divisors is an integer number (6623231994).

Almost surely, 2^13246463987 is an apocalyptic number.

13246463987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246463987 is an equidigital number, since it uses as much as digits as its factorization.

13246463987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 13246463987 in words is "thirteen billion, two hundred forty-six million, four hundred sixty-three thousand, nine hundred eighty-seven".