12440334 has 8 divisors (see below), whose sum is σ = 24880680. Its totient is φ = 4146776.

The previous prime is 12440317. The next prime is 12440339. The reversal of 12440334 is 43304421.

It is a sphenic number, since it is the product of 3 distinct primes.

12440334 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12440334.

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, 1036689 + ... + 1036700.

It is an arithmetic number, because the mean of its divisors is an integer number (3110085).

Almost surely, 2^12440334 is an apocalyptic number.

12440334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12440334 is a wasteful number, since it uses less digits than its factorization.

12440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073394.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 12440334 is about 3527.0857658980. The cubic root of 12440334 is about 231.7095925380.

Adding to 12440334 its reverse (43304421), we get a palindrome (55744755).

The spelling of 12440334 in words is "twelve million, four hundred forty thousand, three hundred thirty-four".