12009304 has 32 divisors (see below), whose sum is σ = 23133600. Its totient is φ = 5843200.

The previous prime is 12009233. The next prime is 12009329. The reversal of 12009304 is 40390021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71829 + ... + 71995.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 2^12009304 is an apocalyptic number.

It is an amenable number.

12009304 is a deficient number, since it is larger than the sum of its proper divisors (11124296).

12009304 is a wasteful number, since it uses less digits than its factorization.

12009304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12009304 is about 3465.4442716627. Note that the first 3 decimals coincide. The cubic root of 12009304 is about 229.0020022326.

Adding to 12009304 its reverse (40390021), we get a palindrome (52399325).

The spelling of 12009304 in words is "twelve million, nine thousand, three hundred four".