1313597 has 2 divisors, whose sum is σ = 1313598. Its totient is φ = 1313596.

The previous prime is 1313579. The next prime is 1313621. The reversal of 1313597 is 7953131.

Together with previous prime (1313579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 177241 = 1066^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313597 - 2¹² = 1309501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656798 + 656799.

It is an arithmetic number, because the mean of its divisors is an integer number (656799).

2^1313597 is an apocalyptic number.

It is an amenable number.

1313597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313597 is an equidigital number, since it uses as much as digits as its factorization.

1313597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 29.

The square root of 1313597 is about 1146.1225937918. The cubic root of 1313597 is about 109.5184737011.

The spelling of 1313597 in words is "one million, three hundred thirteen thousand, five hundred ninety-seven".