12448189 has 4 divisors (see below), whose sum is σ = 13405756. Its totient is φ = 11490624.

The previous prime is 12448187. The next prime is 12448201. The reversal of 12448189 is 98184421.

12448189 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: 98184421 = 37 ⋅2653633.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 5212089 = 2690^2 + 2283^2 .

It is a cyclic number.

It is not a de Polignac number, because 12448189 - 2¹ = 12448187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448181) 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, 478764 + ... + 478789.

It is an arithmetic number, because the mean of its divisors is an integer number (3351439).

Almost surely, 2^12448189 is an apocalyptic number.

It is an amenable number.

12448189 is a deficient number, since it is larger than the sum of its proper divisors (957567).

12448189 is an equidigital number, since it uses as much as digits as its factorization.

12448189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957566.

The product of its digits is 18432, while the sum is 37.

The square root of 12448189 is about 3528.1991156963. The cubic root of 12448189 is about 231.7583504976.

The spelling of 12448189 in words is "twelve million, four hundred forty-eight thousand, one hundred eighty-nine".