12317587 has 2 divisors, whose sum is σ = 12317588. Its totient is φ = 12317586.

The previous prime is 12317573. The next prime is 12317597. The reversal of 12317587 is 78571321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12317587 - 2¹⁵ = 12284819 is a prime.

It is not a weakly prime, because it can be changed into another prime (12317597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158793 + 6158794.

It is an arithmetic number, because the mean of its divisors is an integer number (6158794).

Almost surely, 2^12317587 is an apocalyptic number.

12317587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317587 is an equidigital number, since it uses as much as digits as its factorization.

12317587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 12317587 is about 3509.6420045355. The cubic root of 12317587 is about 230.9449904307.

The spelling of 12317587 in words is "twelve million, three hundred seventeen thousand, five hundred eighty-seven".