12086900 has 72 divisors (see below), whose sum is σ = 30998016. Its totient is φ = 4003200.

The previous prime is 12086887. The next prime is 12086903. The reversal of 12086900 is 968021.

It is a super-2 number, since 2×12086900² = 292186303220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12086900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12086903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21422 + ... + 21978.

It is an arithmetic number, because the mean of its divisors is an integer number (430528).

Almost surely, 2^12086900 is an apocalyptic number.

12086900 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 12086900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15499008).

12086900 is an abundant number, since it is smaller than the sum of its proper divisors (18911116).

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

12086900 is a wasteful number, since it uses less digits than its factorization.

12086900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12086900 is about 3476.6219236494. The cubic root of 12086900 is about 229.4941624322.

The spelling of 12086900 in words is "twelve million, eighty-six thousand, nine hundred".