12688106 has 8 divisors (see below), whose sum is σ = 19496484. Its totient is φ = 6189280.

The previous prime is 12688099. The next prime is 12688129. The reversal of 12688106 is 60188621.

12688106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11458225 + 1229881 = 3385^2 + 1109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77285 + ... + 77448.

Almost surely, 2^12688106 is an apocalyptic number.

12688106 is a deficient number, since it is larger than the sum of its proper divisors (6808378).

12688106 is a wasteful number, since it uses less digits than its factorization.

12688106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154776.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12688106 is about 3562.0367769017. The cubic root of 12688106 is about 233.2377980779.

The spelling of 12688106 in words is "twelve million, six hundred eighty-eight thousand, one hundred six".