12845443 has 4 divisors (see below), whose sum is σ = 13833568. Its totient is φ = 11857320.

The previous prime is 12845411. The next prime is 12845449. The reversal of 12845443 is 34454821.

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

It is a cyclic number.

It is not a de Polignac number, because 12845443 - 2⁵ = 12845411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12845449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494043 + ... + 494068.

It is an arithmetic number, because the mean of its divisors is an integer number (3458392).

Almost surely, 2^12845443 is an apocalyptic number.

12845443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12845443 is a deficient number, since it is larger than the sum of its proper divisors (988125).

12845443 is an equidigital number, since it uses as much as digits as its factorization.

12845443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988124.

The product of its digits is 15360, while the sum is 31.

The square root of 12845443 is about 3584.0539895487. The cubic root of 12845443 is about 234.1979173911.

The spelling of 12845443 in words is "twelve million, eight hundred forty-five thousand, four hundred forty-three".