1310797 has 2 divisors, whose sum is σ = 1310798. Its totient is φ = 1310796.

The previous prime is 1310789. The next prime is 1310801. The reversal of 1310797 is 7970131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 98596 = 1101^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310797 - 2³ = 1310789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655398 + 655399.

It is an arithmetic number, because the mean of its divisors is an integer number (655399).

2^1310797 is an apocalyptic number.

It is an amenable number.

1310797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310797 is an equidigital number, since it uses as much as digits as its factorization.

1310797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 1310797 is about 1144.9004323521. The cubic root of 1310797 is about 109.4406035816.

The spelling of 1310797 in words is "one million, three hundred ten thousand, seven hundred ninety-seven".