12441405 has 16 divisors (see below), whose sum is σ = 20370240. Its totient is φ = 6480768.

The previous prime is 12441383. The next prime is 12441419. The reversal of 12441405 is 50414421.

It is a happy number.

12441405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12441405 - 2¹⁰ = 12440381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9000 + ... + 10289.

It is an arithmetic number, because the mean of its divisors is an integer number (1273140).

Almost surely, 2^12441405 is an apocalyptic number.

12441405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12441405 is a deficient number, since it is larger than the sum of its proper divisors (7928835).

12441405 is a wasteful number, since it uses less digits than its factorization.

12441405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19340.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 12441405 is about 3527.2375876881. The cubic root of 12441405 is about 231.7162417124.

Adding to 12441405 its reverse (50414421), we get a palindrome (62855826).

The spelling of 12441405 in words is "twelve million, four hundred forty-one thousand, four hundred five".