12443134 has 8 divisors (see below), whose sum is σ = 20361528. Its totient is φ = 5655960.

The previous prime is 12443129. The next prime is 12443147. The reversal of 12443134 is 43134421.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 565597 = 12443134 / (1 + 2 + 4 + 4 + 3 + 1 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282777 + ... + 282820.

It is an arithmetic number, because the mean of its divisors is an integer number (2545191).

Almost surely, 2^12443134 is an apocalyptic number.

12443134 is a deficient number, since it is larger than the sum of its proper divisors (7918394).

12443134 is a wasteful number, since it uses less digits than its factorization.

12443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565610.

The product of its digits is 1152, while the sum is 22.

The square root of 12443134 is about 3527.4826718214. The cubic root of 12443134 is about 231.7269751953.

Adding to 12443134 its reverse (43134421), we get a palindrome (55577555).

The spelling of 12443134 in words is "twelve million, four hundred forty-three thousand, one hundred thirty-four".