13246445087 has 2 divisors, whose sum is σ = 13246445088. Its totient is φ = 13246445086.

The previous prime is 13246445083. The next prime is 13246445161. The reversal of 13246445087 is 78054464231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13246445087 - 2² = 13246445083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13246445083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623222543 + 6623222544.

It is an arithmetic number, because the mean of its divisors is an integer number (6623222544).

Almost surely, 2^13246445087 is an apocalyptic number.

13246445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246445087 is an equidigital number, since it uses as much as digits as its factorization.

13246445087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 13246445087 in words is "thirteen billion, two hundred forty-six million, four hundred forty-five thousand, eighty-seven".