1317298 has 4 divisors (see below), whose sum is σ = 1975950. Its totient is φ = 658648.

The previous prime is 1317271. The next prime is 1317299. The reversal of 1317298 is 8927131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8927131 = 19 ⋅469849.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 56169 = 1123^2 + 237^2 .

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 as a sum of consecutive naturals, namely, 329323 + ... + 329326.

2^1317298 is an apocalyptic number.

1317298 is a deficient number, since it is larger than the sum of its proper divisors (658652).

1317298 is an equidigital number, since it uses as much as digits as its factorization.

1317298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658651.

The product of its digits is 3024, while the sum is 31.

The square root of 1317298 is about 1147.7360323698. The cubic root of 1317298 is about 109.6212317011.

The spelling of 1317298 in words is "one million, three hundred seventeen thousand, two hundred ninety-eight".