12688067 has 12 divisors (see below), whose sum is σ = 15307056. Its totient is φ = 10301040.

The previous prime is 12688037. The next prime is 12688079. The reversal of 12688067 is 76088621.

It is not a de Polignac number, because 12688067 - 2¹⁴ = 12671683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12688067.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12688037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1275588).

Almost surely, 2^12688067 is an apocalyptic number.

12688067 is a deficient number, since it is larger than the sum of its proper divisors (2618989).

12688067 is an equidigital number, since it uses as much as digits as its factorization.

12688067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12688067 is about 3562.0313025014. The cubic root of 12688067 is about 233.2375591065.

The spelling of 12688067 in words is "twelve million, six hundred eighty-eight thousand, sixty-seven".