1304568 has 24 divisors (see below), whose sum is σ = 3533400. Its totient is φ = 434832.

The previous prime is 1304551. The next prime is 1304581. The reversal of 1304568 is 8654031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8988 + ... + 9131.

It is an arithmetic number, because the mean of its divisors is an integer number (147225).

2^1304568 is an apocalyptic number.

1304568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1304568 is an abundant number, since it is smaller than the sum of its proper divisors (2228832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304568 is a wasteful number, since it uses less digits than its factorization.

1304568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1304568 is about 1142.1768689656. The cubic root of 1304568 is about 109.2669717588.

Adding to 1304568 its reverse (8654031), we get a palindrome (9958599).

The spelling of 1304568 in words is "one million, three hundred four thousand, five hundred sixty-eight".