12909108 has 12 divisors (see below), whose sum is σ = 30121280. Its totient is φ = 4303032.

The previous prime is 12909097. The next prime is 12909109. The reversal of 12909108 is 80190921.

12909108 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537868 + ... + 537891.

Almost surely, 2^12909108 is an apocalyptic number.

It is an amenable number.

12909108 is an abundant number, since it is smaller than the sum of its proper divisors (17212172).

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

12909108 is a wasteful number, since it uses less digits than its factorization.

12909108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075766 (or 1075764 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 12909108 is about 3592.9247139343. The cubic root of 12909108 is about 234.5841930322.

The spelling of 12909108 in words is "twelve million, nine hundred nine thousand, one hundred eight".