12328733 has 4 divisors (see below), whose sum is σ = 12661980. Its totient is φ = 11995488.

The previous prime is 12328721. The next prime is 12328747. The reversal of 12328733 is 33782321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33782321 = 2579 ⋅13099.

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 5968249 = 2522^2 + 2443^2 .

It is a cyclic number.

It is not a de Polignac number, because 12328733 - 2¹⁰ = 12327709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12328696 and 12328705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166568 + ... + 166641.

It is an arithmetic number, because the mean of its divisors is an integer number (3165495).

Almost surely, 2^12328733 is an apocalyptic number.

It is an amenable number.

12328733 is a deficient number, since it is larger than the sum of its proper divisors (333247).

12328733 is an equidigital number, since it uses as much as digits as its factorization.

12328733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333246.

The product of its digits is 6048, while the sum is 29.

The square root of 12328733 is about 3511.2295567223. The cubic root of 12328733 is about 231.0146289843.

The spelling of 12328733 in words is "twelve million, three hundred twenty-eight thousand, seven hundred thirty-three".