12686067 has 12 divisors (see below), whose sum is σ = 18583344. Its totient is φ = 8337840.

The previous prime is 12686059. The next prime is 12686081. The reversal of 12686067 is 76068621.

It is a happy number.

12686067 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12686067 - 2³ = 12686059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12686017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9288 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (1548612).

Almost surely, 2^12686067 is an apocalyptic number.

12686067 is a deficient number, since it is larger than the sum of its proper divisors (5897277).

12686067 is a wasteful number, since it uses less digits than its factorization.

12686067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930 (or 19927 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 12686067 is about 3561.7505527479. The cubic root of 12686067 is about 233.2253035063.

The spelling of 12686067 in words is "twelve million, six hundred eighty-six thousand, sixty-seven".