12806441 has 4 divisors (see below), whose sum is σ = 13219584. Its totient is φ = 12393300.

The previous prime is 12806413. The next prime is 12806449. The reversal of 12806441 is 14460821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12806441 - 2¹⁰ = 12805417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12806441.

It is not an unprimeable number, because it can be changed into a prime (12806449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206525 + ... + 206586.

It is an arithmetic number, because the mean of its divisors is an integer number (3304896).

Almost surely, 2^12806441 is an apocalyptic number.

It is an amenable number.

12806441 is a deficient number, since it is larger than the sum of its proper divisors (413143).

12806441 is an equidigital number, since it uses as much as digits as its factorization.

12806441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413142.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12806441 is about 3578.6088079029. The cubic root of 12806441 is about 233.9606491406.

The spelling of 12806441 in words is "twelve million, eight hundred six thousand, four hundred forty-one".