1316297 has 4 divisors (see below), whose sum is σ = 1332240. Its totient is φ = 1300356.

The previous prime is 1316279. The next prime is 1316299. The reversal of 1316297 is 7926131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7926131 = 17 ⋅466243.

It is a cyclic number.

It is not a de Polignac number, because 1316297 - 2⁸ = 1316041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316299) 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, 7847 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (333060).

2^1316297 is an apocalyptic number.

It is an amenable number.

1316297 is a deficient number, since it is larger than the sum of its proper divisors (15943).

1316297 is an equidigital number, since it uses as much as digits as its factorization.

1316297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15942.

The product of its digits is 2268, while the sum is 29.

The square root of 1316297 is about 1147.2998736163. The cubic root of 1316297 is about 109.5934580161.

It can be divided in two parts, 131629 and 7, that multiplied together give a triangular number (921403 = T₁₃₅₇).

The spelling of 1316297 in words is "one million, three hundred sixteen thousand, two hundred ninety-seven".