12105304 has 8 divisors (see below), whose sum is σ = 22697460. Its totient is φ = 6052648.

The previous prime is 12105293. The next prime is 12105307. The reversal of 12105304 is 40350121.

12105304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756574 + ... + 756589.

Almost surely, 2^12105304 is an apocalyptic number.

It is an amenable number.

12105304 is a deficient number, since it is larger than the sum of its proper divisors (10592156).

12105304 is a wasteful number, since it uses less digits than its factorization.

12105304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513169 (or 1513165 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12105304 is about 3479.2677390508. The cubic root of 12105304 is about 229.6105823772.

Adding to 12105304 its reverse (40350121), we get a palindrome (52455425).

The spelling of 12105304 in words is "twelve million, one hundred five thousand, three hundred four".