13346666687 has 2 divisors, whose sum is σ = 13346666688. Its totient is φ = 13346666686.

The previous prime is 13346666659. The next prime is 13346666693. The reversal of 13346666687 is 78666664331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13346666687 - 2¹² = 13346662591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13346666617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673333343 + 6673333344.

It is an arithmetic number, because the mean of its divisors is an integer number (6673333344).

Almost surely, 2^13346666687 is an apocalyptic number.

13346666687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13346666687 is an equidigital number, since it uses as much as digits as its factorization.

13346666687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 56.

The spelling of 13346666687 in words is "thirteen billion, three hundred forty-six million, six hundred sixty-six thousand, six hundred eighty-seven".