12443055 has 8 divisors (see below), whose sum is σ = 19908912. Its totient is φ = 6636288.

The previous prime is 12443047. The next prime is 12443083. The reversal of 12443055 is 55034421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12443055 - 2³ = 12443047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414754 + ... + 414783.

It is an arithmetic number, because the mean of its divisors is an integer number (2488614).

Almost surely, 2^12443055 is an apocalyptic number.

12443055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12443055 is a deficient number, since it is larger than the sum of its proper divisors (7465857).

12443055 is an equidigital number, since it uses as much as digits as its factorization.

12443055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829545.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12443055 is about 3527.4714740165. The cubic root of 12443055 is about 231.7264847918.

Adding to 12443055 its reverse (55034421), we get a palindrome (67477476).

The spelling of 12443055 in words is "twelve million, four hundred forty-three thousand, fifty-five".