12107688 has 32 divisors (see below), whose sum is σ = 30415200. Its totient is φ = 4016448.

The previous prime is 12107687. The next prime is 12107737. The reversal of 12107688 is 88670121.

It is a happy number.

It is a super-2 number, since 2×12107688² = 293192217410688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12107687) 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, 4395 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (950475).

Almost surely, 2^12107688 is an apocalyptic number.

It is an amenable number.

12107688 is an abundant number, since it is smaller than the sum of its proper divisors (18307512).

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

12107688 is a wasteful number, since it uses less digits than its factorization.

12107688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2437 counting only the distinct ones).

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

The square root of 12107688 is about 3479.6103230103. The cubic root of 12107688 is about 229.6256544397.

The spelling of 12107688 in words is "twelve million, one hundred seven thousand, six hundred eighty-eight".