1304306 has 4 divisors (see below), whose sum is σ = 1956462. Its totient is φ = 652152.

The previous prime is 1304299. The next prime is 1304309. The reversal of 1304306 is 6034031.

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

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 286225 = 1009^2 + 535^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1304309) 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 as a sum of consecutive naturals, namely, 326075 + ... + 326078.

2^1304306 is an apocalyptic number.

1304306 is a deficient number, since it is larger than the sum of its proper divisors (652156).

1304306 is an equidigital number, since it uses as much as digits as its factorization.

1304306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652155.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1304306 is about 1142.0621699365. The cubic root of 1304306 is about 109.2596564730.

Adding to 1304306 its reverse (6034031), we get a palindrome (7338337).

The spelling of 1304306 in words is "one million, three hundred four thousand, three hundred six".