12045441 has 4 divisors (see below), whose sum is σ = 16060592. Its totient is φ = 8030292.

The previous prime is 12045437. The next prime is 12045443. The reversal of 12045441 is 14454021.

It is a happy number.

12045441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12045441 - 2² = 12045437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045443) 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, 2007571 + ... + 2007576.

It is an arithmetic number, because the mean of its divisors is an integer number (4015148).

Almost surely, 2^12045441 is an apocalyptic number.

It is an amenable number.

12045441 is a deficient number, since it is larger than the sum of its proper divisors (4015151).

12045441 is an equidigital number, since it uses as much as digits as its factorization.

12045441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015150.

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

The square root of 12045441 is about 3470.6542610868. The cubic root of 12045441 is about 229.2314676177.

Adding to 12045441 its reverse (14454021), we get a palindrome (26499462).

The spelling of 12045441 in words is "twelve million, forty-five thousand, four hundred forty-one".