1317299 has 2 divisors, whose sum is σ = 1317300. Its totient is φ = 1317298.

The previous prime is 1317271. The next prime is 1317301. The reversal of 1317299 is 9927131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9927131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317299 is a prime.

Together with 1317301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1317229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658649 + 658650.

It is an arithmetic number, because the mean of its divisors is an integer number (658650).

2^1317299 is an apocalyptic number.

1317299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317299 is an equidigital number, since it uses as much as digits as its factorization.

1317299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 1317299 is about 1147.7364680100. The cubic root of 1317299 is about 109.6212594400.

The spelling of 1317299 in words is "one million, three hundred seventeen thousand, two hundred ninety-nine".