13317587 has 2 divisors, whose sum is σ = 13317588. Its totient is φ = 13317586.

The previous prime is 13317553. The next prime is 13317593. The reversal of 13317587 is 78571331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13317587 - 2¹² = 13313491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13317547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658793 + 6658794.

It is an arithmetic number, because the mean of its divisors is an integer number (6658794).

Almost surely, 2^13317587 is an apocalyptic number.

13317587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13317587 is an equidigital number, since it uses as much as digits as its factorization.

13317587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 13317587 is about 3649.3269242423. The cubic root of 13317587 is about 237.0328368158.

The spelling of 13317587 in words is "thirteen million, three hundred seventeen thousand, five hundred eighty-seven".