12533300 has 72 divisors (see below), whose sum is σ = 30331392. Its totient is φ = 4464000.

The previous prime is 12533299. The next prime is 12533309. The reversal of 12533300 is 333521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40145 + ... + 40455.

Almost surely, 2^12533300 is an apocalyptic number.

12533300 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 12533300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15165696).

12533300 is an abundant number, since it is smaller than the sum of its proper divisors (17798092).

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

12533300 is a wasteful number, since it uses less digits than its factorization.

12533300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 12533300 is about 3540.2401048516. The cubic root of 12533300 is about 232.2853454904.

Adding to 12533300 its reverse (333521), we get a palindrome (12866821).

The spelling of 12533300 in words is "twelve million, five hundred thirty-three thousand, three hundred".