12479443 has 4 divisors (see below), whose sum is σ = 12556168. Its totient is φ = 12402720.

The previous prime is 12479437. The next prime is 12479473. The reversal of 12479443 is 34497421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12479443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12479399 and 12479408.

It is not an unprimeable number, because it can be changed into a prime (12479473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38118 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (3139042).

Almost surely, 2^12479443 is an apocalyptic number.

12479443 is a deficient number, since it is larger than the sum of its proper divisors (76725).

12479443 is an equidigital number, since it uses as much as digits as its factorization.

12479443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76724.

The product of its digits is 24192, while the sum is 34.

The square root of 12479443 is about 3532.6255108630. The cubic root of 12479443 is about 231.9521490194.

The spelling of 12479443 in words is "twelve million, four hundred seventy-nine thousand, four hundred forty-three".