12286020 has 48 divisors (see below), whose sum is σ = 34771968. Its totient is φ = 3240960.

The previous prime is 12285997. The next prime is 12286033. The reversal of 12286020 is 2068221.

12286020 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4765 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (724416).

Almost surely, 2^12286020 is an apocalyptic number.

12286020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12286020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17385984).

12286020 is an abundant number, since it is smaller than the sum of its proper divisors (22485948).

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

12286020 is a wasteful number, since it uses less digits than its factorization.

12286020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12286020 is about 3505.1419372117. The cubic root of 12286020 is about 230.7475362512.

The spelling of 12286020 in words is "twelve million, two hundred eighty-six thousand, twenty".