12146200 has 48 divisors (see below), whose sum is σ = 30812760. Its totient is φ = 4416000.

The previous prime is 12146191. The next prime is 12146201. The reversal of 12146200 is 264121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 561 + ... + 4960.

Almost surely, 2^12146200 is an apocalyptic number.

12146200 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 12146200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15406380).

12146200 is an abundant number, since it is smaller than the sum of its proper divisors (18666560).

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

12146200 is a wasteful number, since it uses less digits than its factorization.

12146200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12146200 is about 3485.1398824151. The cubic root of 12146200 is about 229.8688603397.

The spelling of 12146200 in words is "twelve million, one hundred forty-six thousand, two hundred".