12440441 has 8 divisors (see below), whose sum is σ = 13581960. Its totient is φ = 11325312.

The previous prime is 12440431. The next prime is 12440453. The reversal of 12440441 is 14404421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 12075625 = 604^2 + 3475^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12440441 - 2¹⁰ = 12439417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12440411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (1697745).

Almost surely, 2^12440441 is an apocalyptic number.

It is an amenable number.

12440441 is a deficient number, since it is larger than the sum of its proper divisors (1141519).

12440441 is a wasteful number, since it uses less digits than its factorization.

12440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 12440441 is about 3527.1009341951. The cubic root of 12440441 is about 231.7102568517.

Adding to 12440441 its reverse (14404421), we get a palindrome (26844862).

It can be divided in two parts, 1 and 2440441, that added together give a palindrome (2440442).

The spelling of 12440441 in words is "twelve million, four hundred forty thousand, four hundred forty-one".