12018800 has 30 divisors (see below), whose sum is σ = 28876128. Its totient is φ = 4807360.

The previous prime is 12018749. The next prime is 12018817. The reversal of 12018800 is 881021.

12018800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14624 + ... + 15423.

Almost surely, 2^12018800 is an apocalyptic number.

12018800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12018800 is an abundant number, since it is smaller than the sum of its proper divisors (16857328).

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

12018800 is a wasteful number, since it uses less digits than its factorization.

12018800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30065 (or 30054 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 12018800 is about 3466.8140994290. The cubic root of 12018800 is about 229.0623451717.

Adding to 12018800 its reverse (881021), we get a palindrome (12899821).

It can be divided in two parts, 1201 and 8800, that added together give a palindrome (10001).

The spelling of 12018800 in words is "twelve million, eighteen thousand, eight hundred".