12688124 has 12 divisors (see below), whose sum is σ = 23373000. Its totient is φ = 6010128.

The previous prime is 12688099. The next prime is 12688129. The reversal of 12688124 is 42188621.

It is a happy number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12688129) 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 3 ways as a sum of consecutive naturals, for example, 83399 + ... + 83550.

It is an arithmetic number, because the mean of its divisors is an integer number (1947750).

Almost surely, 2^12688124 is an apocalyptic number.

It is an amenable number.

12688124 is a deficient number, since it is larger than the sum of its proper divisors (10684876).

12688124 is a wasteful number, since it uses less digits than its factorization.

12688124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166972 (or 166970 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12688124 is about 3562.0393035451. The cubic root of 12688124 is about 233.2379083722.

The spelling of 12688124 in words is "twelve million, six hundred eighty-eight thousand, one hundred twenty-four".