12013441 has 12 divisors (see below), whose sum is σ = 13925520. Its totient is φ = 10276160.

The previous prime is 12013433. The next prime is 12013447. The reversal of 12013441 is 14431021.

It is not a de Polignac number, because 12013441 - 2³ = 12013433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1160460).

Almost surely, 2^12013441 is an apocalyptic number.

12013441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12013441 is a deficient number, since it is larger than the sum of its proper divisors (1912079).

12013441 is a wasteful number, since it uses less digits than its factorization.

12013441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824 (or 3807 counting only the distinct ones).

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

The square root of 12013441 is about 3466.0411134319. The cubic root of 12013441 is about 229.0282949725.

Adding to 12013441 its reverse (14431021), we get a palindrome (26444462).

The spelling of 12013441 in words is "twelve million, thirteen thousand, four hundred forty-one".