12002850 has 96 divisors (see below), whose sum is σ = 35087040. Its totient is φ = 3006720.

The previous prime is 12002843. The next prime is 12002869. The reversal of 12002850 is 5820021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 22689 + ... + 23211.

It is an arithmetic number, because the mean of its divisors is an integer number (365490).

Almost surely, 2^12002850 is an apocalyptic number.

12002850 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 12002850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17543520).

12002850 is an abundant number, since it is smaller than the sum of its proper divisors (23084190).

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

12002850 is a wasteful number, since it uses less digits than its factorization.

12002850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12002850 is about 3464.5129527828. The cubic root of 12002850 is about 228.9609717182.

Adding to 12002850 its reverse (5820021), we get a palindrome (17822871).

The spelling of 12002850 in words is "twelve million, two thousand, eight hundred fifty".