1304363 has 4 divisors (see below), whose sum is σ = 1325808. Its totient is φ = 1282920.

The previous prime is 1304357. The next prime is 1304371. The reversal of 1304363 is 3634031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304363 - 2⁶ = 1304299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10631 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (331452).

2^1304363 is an apocalyptic number.

1304363 is a deficient number, since it is larger than the sum of its proper divisors (21445).

1304363 is an equidigital number, since it uses as much as digits as its factorization.

1304363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1304363 is about 1142.0871245225. The cubic root of 1304363 is about 109.2612480499.

Adding to 1304363 its reverse (3634031), we get a palindrome (4938394).

The spelling of 1304363 in words is "one million, three hundred four thousand, three hundred sixty-three".