12345441 has 4 divisors (see below), whose sum is σ = 16460592. Its totient is φ = 8230292.

The previous prime is 12345439. The next prime is 12345479. The reversal of 12345441 is 14454321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12345441 - 2¹ = 12345439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12345491) 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, 2057571 + ... + 2057576.

It is an arithmetic number, because the mean of its divisors is an integer number (4115148).

Almost surely, 2^12345441 is an apocalyptic number.

It is an amenable number.

12345441 is a deficient number, since it is larger than the sum of its proper divisors (4115151).

12345441 is an equidigital number, since it uses as much as digits as its factorization.

12345441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115150.

The product of its digits is 1920, while the sum is 24.

The square root of 12345441 is about 3513.6079747177. The cubic root of 12345441 is about 231.1189395171.

Adding to 12345441 its reverse (14454321), we get a palindrome (26799762).

The spelling of 12345441 in words is "twelve million, three hundred forty-five thousand, four hundred forty-one".