12185308 has 24 divisors (see below), whose sum is σ = 23425920. Its totient is φ = 5520240.

The previous prime is 12185293. The next prime is 12185309. The reversal of 12185308 is 80358121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (976080).

Almost surely, 2^12185308 is an apocalyptic number.

It is an amenable number.

12185308 is a deficient number, since it is larger than the sum of its proper divisors (11240612).

12185308 is a wasteful number, since it uses less digits than its factorization.

12185308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12185308 is about 3490.7460520639. The cubic root of 12185308 is about 230.1153045043.

The spelling of 12185308 in words is "twelve million, one hundred eighty-five thousand, three hundred eight".