12443254 has 16 divisors (see below), whose sum is σ = 19570320. Its totient is φ = 5927040.

The previous prime is 12443251. The next prime is 12443261. The reversal of 12443254 is 45234421.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (1223145).

Almost surely, 2^12443254 is an apocalyptic number.

12443254 is a deficient number, since it is larger than the sum of its proper divisors (7127066).

12443254 is a wasteful number, since it uses less digits than its factorization.

12443254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615.

The product of its digits is 3840, while the sum is 25.

The square root of 12443254 is about 3527.4996810772. The cubic root of 12443254 is about 231.7277201081.

Adding to 12443254 its reverse (45234421), we get a palindrome (57677675).

The spelling of 12443254 in words is "twelve million, four hundred forty-three thousand, two hundred fifty-four".