12443051 has 4 divisors (see below), whose sum is σ = 12480312. Its totient is φ = 12405792.

The previous prime is 12443047. The next prime is 12443083. The reversal of 12443051 is 15034421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15034421 = 1307 ⋅11503.

It is a cyclic number.

It is not a de Polignac number, because 12443051 - 2² = 12443047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12443251) 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, 18125 + ... + 18798.

It is an arithmetic number, because the mean of its divisors is an integer number (3120078).

Almost surely, 2^12443051 is an apocalyptic number.

12443051 is a deficient number, since it is larger than the sum of its proper divisors (37261).

12443051 is an equidigital number, since it uses as much as digits as its factorization.

12443051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37260.

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

The square root of 12443051 is about 3527.4709070381. The cubic root of 12443051 is about 231.7264599612.

Adding to 12443051 its reverse (15034421), we get a palindrome (27477472).

The spelling of 12443051 in words is "twelve million, four hundred forty-three thousand, fifty-one".