1313583 has 4 divisors (see below), whose sum is σ = 1751448. Its totient is φ = 875720.

The previous prime is 1313579. The next prime is 1313597. The reversal of 1313583 is 3853131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313583 - 2² = 1313579 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313083) 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, 218928 + ... + 218933.

It is an arithmetic number, because the mean of its divisors is an integer number (437862).

2^1313583 is an apocalyptic number.

1313583 is a deficient number, since it is larger than the sum of its proper divisors (437865).

1313583 is an equidigital number, since it uses as much as digits as its factorization.

1313583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437864.

The product of its digits is 1080, while the sum is 24.

The square root of 1313583 is about 1146.1164862264. The cubic root of 1313583 is about 109.5180846259.

The spelling of 1313583 in words is "one million, three hundred thirteen thousand, five hundred eighty-three".