12106908 has 120 divisors (see below), whose sum is σ = 35777280. Its totient is φ = 3538080.

The previous prime is 12106903. The next prime is 12106921. The reversal of 12106908 is 80960121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106903) 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 39 ways as a sum of consecutive naturals, for example, 153213 + ... + 153291.

It is an arithmetic number, because the mean of its divisors is an integer number (298144).

Almost surely, 2^12106908 is an apocalyptic number.

12106908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12106908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888640).

12106908 is an abundant number, since it is smaller than the sum of its proper divisors (23670372).

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

12106908 is a wasteful number, since it uses less digits than its factorization.

12106908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12106908 is about 3479.4982396892. The cubic root of 12106908 is about 229.6207233619.

It can be divided in two parts, 1210 and 6908, that added together give a palindrome (8118).

The spelling of 12106908 in words is "twelve million, one hundred six thousand, nine hundred eight".