13247630887 has 2 divisors, whose sum is σ = 13247630888. Its totient is φ = 13247630886.

The previous prime is 13247630881. The next prime is 13247630899. The reversal of 13247630887 is 78803674231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78803674231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13247630887 - 2¹¹ = 13247628839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13247630887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13247630881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623815443 + 6623815444.

It is an arithmetic number, because the mean of its divisors is an integer number (6623815444).

Almost surely, 2^13247630887 is an apocalyptic number.

13247630887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247630887 is an equidigital number, since it uses as much as digits as its factorization.

13247630887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 13247630887 in words is "thirteen billion, two hundred forty-seven million, six hundred thirty thousand, eight hundred eighty-seven".