12031441 has 4 divisors (see below), whose sum is σ = 12419584. Its totient is φ = 11643300.

The previous prime is 12031417. The next prime is 12031471. The reversal of 12031441 is 14413021.

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 12031441 - 2¹⁵ = 11998673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031471) 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, 194025 + ... + 194086.

It is an arithmetic number, because the mean of its divisors is an integer number (3104896).

Almost surely, 2^12031441 is an apocalyptic number.

It is an amenable number.

12031441 is a deficient number, since it is larger than the sum of its proper divisors (388143).

12031441 is an equidigital number, since it uses as much as digits as its factorization.

12031441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388142.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12031441 is about 3468.6367639175. The cubic root of 12031441 is about 229.1426239166.

Adding to 12031441 its reverse (14413021), we get a palindrome (26444462).

The spelling of 12031441 in words is "twelve million, thirty-one thousand, four hundred forty-one".