1304315 has 4 divisors (see below), whose sum is σ = 1565184. Its totient is φ = 1043448.

The previous prime is 1304309. The next prime is 1304321. The reversal of 1304315 is 5134031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5134031 = 7 ⋅733433.

It is an interprime number because it is at equal distance from previous prime (1304309) and next prime (1304321).

It is a cyclic number.

It is not a de Polignac number, because 1304315 - 2⁴ = 1304299 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1304293 and 1304302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130427 + ... + 130436.

It is an arithmetic number, because the mean of its divisors is an integer number (391296).

2^1304315 is an apocalyptic number.

1304315 is a deficient number, since it is larger than the sum of its proper divisors (260869).

1304315 is an equidigital number, since it uses as much as digits as its factorization.

1304315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260868.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1304315 is about 1142.0661101705. The cubic root of 1304315 is about 109.2599077777.

Adding to 1304315 its reverse (5134031), we get a palindrome (6438346).

The spelling of 1304315 in words is "one million, three hundred four thousand, three hundred fifteen".