12168308 has 12 divisors (see below), whose sum is σ = 21814212. Its totient is φ = 5935680.

The previous prime is 12168307. The next prime is 12168319. The reversal of 12168308 is 80386121.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 11916304 = 502^2 + 3452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12168307) 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, 36935 + ... + 37262.

It is an arithmetic number, because the mean of its divisors is an integer number (1817851).

Almost surely, 2^12168308 is an apocalyptic number.

It is an amenable number.

12168308 is a deficient number, since it is larger than the sum of its proper divisors (9645904).

12168308 is a wasteful number, since it uses less digits than its factorization.

12168308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74242 (or 74240 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12168308 is about 3488.3101926291. The cubic root of 12168308 is about 230.0082416706.

The spelling of 12168308 in words is "twelve million, one hundred sixty-eight thousand, three hundred eight".