1312583 has 2 divisors, whose sum is σ = 1312584. Its totient is φ = 1312582.

The previous prime is 1312579. The next prime is 1312601. The reversal of 1312583 is 3852131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3852131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312583 - 2² = 1312579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656291 + 656292.

It is an arithmetic number, because the mean of its divisors is an integer number (656292).

2^1312583 is an apocalyptic number.

1312583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312583 is an equidigital number, since it uses as much as digits as its factorization.

1312583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 1312583 is about 1145.6801473361. The cubic root of 1312583 is about 109.4902863856.

The spelling of 1312583 in words is "one million, three hundred twelve thousand, five hundred eighty-three".