12440333 has 4 divisors (see below), whose sum is σ = 12869340. Its totient is φ = 12011328.

The previous prime is 12440317. The next prime is 12440339. The reversal of 12440333 is 33304421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 5031049 = 2722^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 12440333 - 2⁴ = 12440317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440339) 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, 214460 + ... + 214517.

It is an arithmetic number, because the mean of its divisors is an integer number (3217335).

Almost surely, 2^12440333 is an apocalyptic number.

It is an amenable number.

12440333 is a deficient number, since it is larger than the sum of its proper divisors (429007).

12440333 is an equidigital number, since it uses as much as digits as its factorization.

12440333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429006.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 12440333 is about 3527.0856241379. The cubic root of 12440333 is about 231.7095863294.

Adding to 12440333 its reverse (33304421), we get a palindrome (45744754).

The spelling of 12440333 in words is "twelve million, four hundred forty thousand, three hundred thirty-three".