12733230 has 64 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 3168000.

The previous prime is 12733229. The next prime is 12733261. The reversal of 12733230 is 3233721.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12733197 and 12733206.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 50605 + ... + 50855.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^12733230 is an apocalyptic number.

12733230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12733230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

12733230 is an abundant number, since it is smaller than the sum of its proper divisors (19925970).

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

12733230 is a wasteful number, since it uses less digits than its factorization.

12733230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 12733230 is about 3568.3651718959. The cubic root of 12733230 is about 233.5139667038.

Adding to 12733230 its reverse (3233721), we get a palindrome (15966951).

The spelling of 12733230 in words is "twelve million, seven hundred thirty-three thousand, two hundred thirty".