1317297 has 8 divisors (see below), whose sum is σ = 1761760. Its totient is φ = 875520.

The previous prime is 1317271. The next prime is 1317299. The reversal of 1317297 is 7927131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1317297 - 2²⁰ = 268721 is a prime.

It is a Duffinian number.

1317297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1317299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1329 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (220220).

2^1317297 is an apocalyptic number.

It is an amenable number.

1317297 is a deficient number, since it is larger than the sum of its proper divisors (444463).

1317297 is an equidigital number, since it uses as much as digits as its factorization.

1317297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its digits is 2646, while the sum is 30.

The square root of 1317297 is about 1147.7355967295. The cubic root of 1317297 is about 109.6212039622.

The spelling of 1317297 in words is "one million, three hundred seventeen thousand, two hundred ninety-seven".