12440411 has 2 divisors, whose sum is σ = 12440412. Its totient is φ = 12440410.

The previous prime is 12440381. The next prime is 12440423. The reversal of 12440411 is 11404421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12440411 - 2¹⁰ = 12439387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12440411.

It is not a weakly prime, because it can be changed into another prime (12440431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220205 + 6220206.

It is an arithmetic number, because the mean of its divisors is an integer number (6220206).

Almost surely, 2^12440411 is an apocalyptic number.

12440411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440411 is an equidigital number, since it uses as much as digits as its factorization.

12440411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 12440411 is about 3527.0966814081. The cubic root of 12440411 is about 231.7100705959.

Adding to 12440411 its reverse (11404421), we get a palindrome (23844832).

The spelling of 12440411 in words is "twelve million, four hundred forty thousand, four hundred eleven".