12022686 has 48 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 3666240.

The previous prime is 12022663. The next prime is 12022691. The reversal of 12022686 is 68622021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44560 + ... + 44828.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^12022686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

12022686 is an abundant number, since it is smaller than the sum of its proper divisors (16281954).

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

12022686 is a wasteful number, since it uses less digits than its factorization.

12022686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12022686 is about 3467.3745110674. The cubic root of 12022686 is about 229.0870298422.

The spelling of 12022686 in words is "twelve million, twenty-two thousand, six hundred eighty-six".