1313579 has 2 divisors, whose sum is σ = 1313580. Its totient is φ = 1313578.

The previous prime is 1313569. The next prime is 1313597. The reversal of 1313579 is 9753131.

Together with next prime (1313597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313579 - 2²⁰ = 265003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1313569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656789 + 656790.

It is an arithmetic number, because the mean of its divisors is an integer number (656790).

2^1313579 is an apocalyptic number.

1313579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313579 is an equidigital number, since it uses as much as digits as its factorization.

1313579 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1313579 is about 1146.1147412018. The cubic root of 1313579 is about 109.5179734610.

The spelling of 1313579 in words is "one million, three hundred thirteen thousand, five hundred seventy-nine".