1304456 has 24 divisors (see below), whose sum is σ = 2532810. Its totient is φ = 629760.

The previous prime is 1304419. The next prime is 1304477. The reversal of 1304456 is 6544031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 401956 + 902500 = 634^2 + 950^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13400 + ... + 13496.

2^1304456 is an apocalyptic number.

It is an amenable number.

1304456 is a deficient number, since it is larger than the sum of its proper divisors (1228354).

1304456 is an equidigital number, since it uses as much as digits as its factorization.

1304456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1304456 is about 1142.1278387291. The cubic root of 1304456 is about 109.2638447336.

Adding to 1304456 its reverse (6544031), we get a palindrome (7848487).

The spelling of 1304456 in words is "one million, three hundred four thousand, four hundred fifty-six".