12020800 has 84 divisors (see below), whose sum is σ = 32314896. Its totient is φ = 4364800.

The previous prime is 12020759. The next prime is 12020851. The reversal of 12020800 is 802021.

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 11 ways as a sum of consecutive naturals, for example, 17259 + ... + 17941.

Almost surely, 2^12020800 is an apocalyptic number.

12020800 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 12020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16157448).

12020800 is an abundant number, since it is smaller than the sum of its proper divisors (20294096).

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

12020800 is a wasteful number, since it uses less digits than its factorization.

12020800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12020800 is about 3467.1025367012. The cubic root of 12020800 is about 229.0750502471.

Adding to 12020800 its reverse (802021), we get a palindrome (12822821).

The spelling of 12020800 in words is "twelve million, twenty thousand, eight hundred".