1304717 has 4 divisors (see below), whose sum is σ = 1307580. Its totient is φ = 1301856.

The previous prime is 1304713. The next prime is 1304741. The reversal of 1304717 is 7174031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7174031 = 113 ⋅63487.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 1012036 = 541^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304717 - 2² = 1304713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304692 and 1304701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (326895).

2^1304717 is an apocalyptic number.

It is an amenable number.

1304717 is a deficient number, since it is larger than the sum of its proper divisors (2863).

1304717 is an equidigital number, since it uses as much as digits as its factorization.

1304717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1304717 is about 1142.2420934285. The cubic root of 1304717 is about 109.2711315417.

Adding to 1304717 its reverse (7174031), we get a palindrome (8478748).

The spelling of 1304717 in words is "one million, three hundred four thousand, seven hundred seventeen".