1313183 has 4 divisors (see below), whose sum is σ = 1315848. Its totient is φ = 1310520.

The previous prime is 1313171. The next prime is 1313219. The reversal of 1313183 is 3813131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313153) 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, 353 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (328962).

2^1313183 is an apocalyptic number.

1313183 is a deficient number, since it is larger than the sum of its proper divisors (2665).

1313183 is an equidigital number, since it uses as much as digits as its factorization.

1313183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its digits is 216, while the sum is 20.

The square root of 1313183 is about 1145.9419706076. The cubic root of 1313183 is about 109.5069670233.

The spelling of 1313183 in words is "one million, three hundred thirteen thousand, one hundred eighty-three".