12733272 has 96 divisors (see below), whose sum is σ = 37234080. Its totient is φ = 3916800.

The previous prime is 12733267. The next prime is 12733297. The reversal of 12733272 is 27233721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123573 + ... + 123675.

It is an arithmetic number, because the mean of its divisors is an integer number (387855).

Almost surely, 2^12733272 is an apocalyptic number.

12733272 is a gapful number since it is divisible by the number (12) 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 12733272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18617040).

12733272 is an abundant number, since it is smaller than the sum of its proper divisors (24500808).

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

12733272 is a wasteful number, since it uses less digits than its factorization.

12733272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 226 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 12733272 is about 3568.3710569390. The cubic root of 12733272 is about 233.5142234487.

Adding to 12733272 its reverse (27233721), we get a palindrome (39966993).

The spelling of 12733272 in words is "twelve million, seven hundred thirty-three thousand, two hundred seventy-two".