1304017 has 12 divisors (see below), whose sum is σ = 1545460. Its totient is φ = 1092960.

The previous prime is 1304003. The next prime is 1304029. The reversal of 1304017 is 7104031.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 853776 = 671^2 + 924^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1304017 is a prime.

It is a Duffinian number.

1304017 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159 + ... + 1987.

2^1304017 is an apocalyptic number.

It is an amenable number.

1304017 is a deficient number, since it is larger than the sum of its proper divisors (241443).

1304017 is a wasteful number, since it uses less digits than its factorization.

1304017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1304017 is about 1141.9356374157. The cubic root of 1304017 is about 109.2515861856.

Adding to 1304017 its reverse (7104031), we get a palindrome (8408048).

The spelling of 1304017 in words is "one million, three hundred four thousand, seventeen".