13287012787 has 2 divisors, whose sum is σ = 13287012788. Its totient is φ = 13287012786.

The previous prime is 13287012773. The next prime is 13287012793. The reversal of 13287012787 is 78721078231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13287012787 - 2²³ = 13278624179 is a prime.

It is not a weakly prime, because it can be changed into another prime (13287012707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643506393 + 6643506394.

It is an arithmetic number, because the mean of its divisors is an integer number (6643506394).

Almost surely, 2^13287012787 is an apocalyptic number.

13287012787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13287012787 is an equidigital number, since it uses as much as digits as its factorization.

13287012787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 46.

The spelling of 13287012787 in words is "thirteen billion, two hundred eighty-seven million, twelve thousand, seven hundred eighty-seven".