12105308 has 12 divisors (see below), whose sum is σ = 21210000. Its totient is φ = 6045312.

The previous prime is 12105307. The next prime is 12105319. The reversal of 12105308 is 80350121.

It is a self number, because there is not a number n which added to its sum of digits gives 12105308.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (1767500).

Almost surely, 2^12105308 is an apocalyptic number.

It is an amenable number.

12105308 is a deficient number, since it is larger than the sum of its proper divisors (9104692).

12105308 is a wasteful number, since it uses less digits than its factorization.

12105308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12105308 is about 3479.2683138844. The cubic root of 12105308 is about 229.6106076675.

Adding to 12105308 its reverse (80350121), we get a palindrome (92455429).

The spelling of 12105308 in words is "twelve million, one hundred five thousand, three hundred eight".