12071286 has 12 divisors (see below), whose sum is σ = 26154492. Its totient is φ = 4023756.

The previous prime is 12071281. The next prime is 12071299. The reversal of 12071286 is 68217021.

12071286 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335296 + ... + 335331.

It is an arithmetic number, because the mean of its divisors is an integer number (2179541).

Almost surely, 2^12071286 is an apocalyptic number.

12071286 is an abundant number, since it is smaller than the sum of its proper divisors (14083206).

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

12071286 is a wasteful number, since it uses less digits than its factorization.

12071286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670635 (or 670632 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12071286 is about 3474.3756273610. The cubic root of 12071286 is about 229.3952987602.

The spelling of 12071286 in words is "twelve million, seventy-one thousand, two hundred eighty-six".