1264304 has 20 divisors (see below), whose sum is σ = 2529600. Its totient is φ = 611520.

The previous prime is 1264303. The next prime is 1264331. The reversal of 1264304 is 4034621.

It is a happy number.

1264304 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1264301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2^1264304 is an apocalyptic number.

It is an amenable number.

1264304 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1264304 is a wasteful number, since it uses less digits than its factorization.

1264304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1264304 is about 1124.4127356091. The cubic root of 1264304 is about 108.1310708610.

Adding to 1264304 its reverse (4034621), we get a palindrome (5298925).

The spelling of 1264304 in words is "one million, two hundred sixty-four thousand, three hundred four".