1304313 has 8 divisors (see below), whose sum is σ = 1768800. Its totient is φ = 854688.

The previous prime is 1304309. The next prime is 1304321. The reversal of 1304313 is 3134031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304313 - 2² = 1304309 is a prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1304292 and 1304301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (221100).

2^1304313 is an apocalyptic number.

It is an amenable number.

1304313 is a deficient number, since it is larger than the sum of its proper divisors (464487).

1304313 is an equidigital number, since it uses as much as digits as its factorization.

1304313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1304313 is about 1142.0652345641. The cubic root of 1304313 is about 109.2598519323.

Adding to 1304313 its reverse (3134031), we get a palindrome (4438344).

The spelling of 1304313 in words is "one million, three hundred four thousand, three hundred thirteen".