12085650 has 72 divisors (see below), whose sum is σ = 32904144. Its totient is φ = 3180000.

The previous prime is 12085631. The next prime is 12085673. The reversal of 12085650 is 5658021.

12085650 is a `hidden beast` number, since 1 + 2 + 0 + 8 + 5 + 650 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48025 + ... + 48275.

It is an arithmetic number, because the mean of its divisors is an integer number (457002).

It is a vampire number, since it can be written as 1506 ⋅ 8025 (with its own digits).

Almost surely, 2^12085650 is an apocalyptic number.

12085650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12085650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16452072).

12085650 is an abundant number, since it is smaller than the sum of its proper divisors (20818494).

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

12085650 is a wasteful number, since it uses less digits than its factorization.

12085650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 12085650 is about 3476.4421467932. The cubic root of 12085650 is about 229.4862509029.

The spelling of 12085650 in words is "twelve million, eighty-five thousand, six hundred fifty".