12033500 has 48 divisors (see below), whose sum is σ = 26968032. Its totient is φ = 4688000.

The previous prime is 12033499. The next prime is 12033509. The reversal of 12033500 is 533021.

12033500 = 3² + 4² + ... + 330².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20207 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (561834).

Almost surely, 2^12033500 is an apocalyptic number.

12033500 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 12033500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484016).

12033500 is an abundant number, since it is smaller than the sum of its proper divisors (14934532).

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

12033500 is a wasteful number, since it uses less digits than its factorization.

12033500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 12033500 is about 3468.9335537021. The cubic root of 12033500 is about 229.1556946078.

Adding to 12033500 its reverse (533021), we get a palindrome (12566521).

The spelling of 12033500 in words is "twelve million, thirty-three thousand, five hundred".