12287364587 has 2 divisors, whose sum is σ = 12287364588. Its totient is φ = 12287364586.

The previous prime is 12287364559. The next prime is 12287364611. The reversal of 12287364587 is 78546378221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12287364587 is a prime.

It is not a weakly prime, because it can be changed into another prime (12287364787) 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, 6143682293 + 6143682294.

It is an arithmetic number, because the mean of its divisors is an integer number (6143682294).

Almost surely, 2^12287364587 is an apocalyptic number.

12287364587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287364587 is an equidigital number, since it uses as much as digits as its factorization.

12287364587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 53.

The spelling of 12287364587 in words is "twelve billion, two hundred eighty-seven million, three hundred sixty-four thousand, five hundred eighty-seven".