12051443 has 4 divisors (see below), whose sum is σ = 12467040. Its totient is φ = 11635848.

The previous prime is 12051433. The next prime is 12051451. The reversal of 12051443 is 34415021.

12051443 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 34415021 = 17 ⋅2024413.

It is a cyclic number.

It is not a de Polignac number, because 12051443 - 2¹⁶ = 11985907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12051433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 207755 + ... + 207812.

It is an arithmetic number, because the mean of its divisors is an integer number (3116760).

Almost surely, 2^12051443 is an apocalyptic number.

12051443 is a deficient number, since it is larger than the sum of its proper divisors (415597).

12051443 is an equidigital number, since it uses as much as digits as its factorization.

12051443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415596.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12051443 is about 3471.5188318660. The cubic root of 12051443 is about 229.2695350994.

Adding to 12051443 its reverse (34415021), we get a palindrome (46466464).

The spelling of 12051443 in words is "twelve million, fifty-one thousand, four hundred forty-three".