12503560687 has 2 divisors, whose sum is σ = 12503560688. Its totient is φ = 12503560686.

The previous prime is 12503560681. The next prime is 12503560711. The reversal of 12503560687 is 78606530521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12503560687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12503560681) 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, 6251780343 + 6251780344.

It is an arithmetic number, because the mean of its divisors is an integer number (6251780344).

Almost surely, 2^12503560687 is an apocalyptic number.

12503560687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12503560687 is an equidigital number, since it uses as much as digits as its factorization.

12503560687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 12503560687 in words is "twelve billion, five hundred three million, five hundred sixty thousand, six hundred eighty-seven".