12285443 has 4 divisors (see below), whose sum is σ = 12617520. Its totient is φ = 11953368.

The previous prime is 12285439. The next prime is 12285451. The reversal of 12285443 is 34458221.

It is a happy number.

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

It is not a de Polignac number, because 12285443 - 2² = 12285439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12285463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165983 + ... + 166056.

It is an arithmetic number, because the mean of its divisors is an integer number (3154380).

Almost surely, 2^12285443 is an apocalyptic number.

12285443 is a deficient number, since it is larger than the sum of its proper divisors (332077).

12285443 is an equidigital number, since it uses as much as digits as its factorization.

12285443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332076.

The product of its digits is 7680, while the sum is 29.

The square root of 12285443 is about 3505.0596285941. The cubic root of 12285443 is about 230.7439239229.

The spelling of 12285443 in words is "twelve million, two hundred eighty-five thousand, four hundred forty-three".