1317690607 has 2 divisors, whose sum is σ = 1317690608. Its totient is φ = 1317690606.

The previous prime is 1317690599. The next prime is 1317690623. The reversal of 1317690607 is 7060967131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1317690607 - 2³ = 1317690599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1317690607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317690007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658845303 + 658845304.

It is an arithmetic number, because the mean of its divisors is an integer number (658845304).

Almost surely, 2^1317690607 is an apocalyptic number.

1317690607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317690607 is an equidigital number, since it uses as much as digits as its factorization.

1317690607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1317690607 is about 36300.0083608806. The cubic root of 1317690607 is about 1096.3212110956.

The spelling of 1317690607 in words is "one billion, three hundred seventeen million, six hundred ninety thousand, six hundred seven".