12687108 has 48 divisors (see below), whose sum is σ = 34312320. Its totient is φ = 3573504.

The previous prime is 12687089. The next prime is 12687109. The reversal of 12687108 is 80178621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12687109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5098 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (714840).

Almost surely, 2^12687108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12687108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17156160).

12687108 is an abundant number, since it is smaller than the sum of its proper divisors (21625212).

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

12687108 is a wasteful number, since it uses less digits than its factorization.

12687108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12687108 is about 3561.8966857561. The cubic root of 12687108 is about 233.2316827069.

The spelling of 12687108 in words is "twelve million, six hundred eighty-seven thousand, one hundred eight".