1296304 has 10 divisors (see below), whose sum is σ = 2511620. Its totient is φ = 648144.

The previous prime is 1296293. The next prime is 1296319. The reversal of 1296304 is 4036921.

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 as a sum of consecutive naturals, namely, 40494 + ... + 40525.

It is an arithmetic number, because the mean of its divisors is an integer number (251162).

2^1296304 is an apocalyptic number.

It is an amenable number.

1296304 is a deficient number, since it is larger than the sum of its proper divisors (1215316).

1296304 is an equidigital number, since it uses as much as digits as its factorization.

1296304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81027 (or 81021 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1296304 is about 1138.5534682218. The cubic root of 1296304 is about 109.0357596667.

It can be divided in two parts, 1296 and 304, that added together give a square (1600 = 40²).

The spelling of 1296304 in words is "one million, two hundred ninety-six thousand, three hundred four".