1317688007 has 4 divisors (see below), whose sum is σ = 1324515600. Its totient is φ = 1310860416.

The previous prime is 1317687977. The next prime is 1317688013. The reversal of 1317688007 is 7008867131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7008867131 = 7 ⋅1001266733.

It is a cyclic number.

It is not a de Polignac number, because 1317688007 - 2¹² = 1317683911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317688027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413507 + ... + 3413892.

It is an arithmetic number, because the mean of its divisors is an integer number (331128900).

Almost surely, 2^1317688007 is an apocalyptic number.

1317688007 is a deficient number, since it is larger than the sum of its proper divisors (6827593).

1317688007 is an equidigital number, since it uses as much as digits as its factorization.

1317688007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827592.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1317688007 is about 36299.9725481990. The cubic root of 1317688007 is about 1096.3204900268.

The spelling of 1317688007 in words is "one billion, three hundred seventeen million, six hundred eighty-eight thousand, seven".