1308304 has 10 divisors (see below), whose sum is σ = 2534870. Its totient is φ = 654144.

The previous prime is 1308301. The next prime is 1308313. The reversal of 1308304 is 4038031.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 409600 = 948^2 + 640^2 .

It is not an unprimeable number, because it can be changed into a prime (1308301) by changing a digit.

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, 40869 + ... + 40900.

It is an arithmetic number, because the mean of its divisors is an integer number (253487).

2^1308304 is an apocalyptic number.

It is an amenable number.

1308304 is a deficient number, since it is larger than the sum of its proper divisors (1226566).

1308304 is an equidigital number, since it uses as much as digits as its factorization.

1308304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81777 (or 81771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1308304 is about 1143.8111732275. The cubic root of 1308304 is about 109.3711779889.

The spelling of 1308304 in words is "one million, three hundred eight thousand, three hundred four".