12117304 has 16 divisors (see below), whose sum is σ = 23274720. Its totient is φ = 5910720.

The previous prime is 12117289. The next prime is 12117317. The reversal of 12117304 is 40371121.

12117304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18144 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (1454670).

Almost surely, 2^12117304 is an apocalyptic number.

It is an amenable number.

12117304 is a deficient number, since it is larger than the sum of its proper divisors (11157416).

12117304 is a wasteful number, since it uses less digits than its factorization.

12117304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36990 (or 36986 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12117304 is about 3480.9918126879. The cubic root of 12117304 is about 229.6864283875.

Adding to 12117304 its reverse (40371121), we get a palindrome (52488425).

It can be divided in two parts, 12117 and 304, that added together give a palindrome (12421).

The spelling of 12117304 in words is "twelve million, one hundred seventeen thousand, three hundred four".