12405108 has 12 divisors (see below), whose sum is σ = 28945280. Its totient is φ = 4135032.

The previous prime is 12405091. The next prime is 12405137. The reversal of 12405108 is 80150421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 516868 + ... + 516891.

Almost surely, 2^12405108 is an apocalyptic number.

It is an amenable number.

12405108 is an abundant number, since it is smaller than the sum of its proper divisors (16540172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12405108 is a wasteful number, since it uses less digits than its factorization.

12405108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033766 (or 1033764 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12405108 is about 3522.0885849166. The cubic root of 12405108 is about 231.4906831349.

Adding to 12405108 its reverse (80150421), we get a palindrome (92555529).

The spelling of 12405108 in words is "twelve million, four hundred five thousand, one hundred eight".