1304801 has 4 divisors (see below), whose sum is σ = 1381572. Its totient is φ = 1228032.

The previous prime is 1304783. The next prime is 1304803. The reversal of 1304801 is 1084031.

1304801 = 269² + 270² + ... + 285².

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 883600 = 649^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 76753 = 1304801 / (1 + 3 + 0 + 4 + 8 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304801.

It is not an unprimeable number, because it can be changed into a prime (1304803) 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, 38360 + ... + 38393.

It is an arithmetic number, because the mean of its divisors is an integer number (345393).

2^1304801 is an apocalyptic number.

It is an amenable number.

1304801 is a deficient number, since it is larger than the sum of its proper divisors (76771).

1304801 is an equidigital number, since it uses as much as digits as its factorization.

1304801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76770.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1304801 is about 1142.2788626251. The cubic root of 1304801 is about 109.2734765147.

Adding to 1304801 its reverse (1084031), we get a palindrome (2388832).

The spelling of 1304801 in words is "one million, three hundred four thousand, eight hundred one".