12805741 has 4 divisors (see below), whose sum is σ = 13790812. Its totient is φ = 11820672.

The previous prime is 12805739. The next prime is 12805747. The reversal of 12805741 is 14750821.

12805741 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5221225 + 7584516 = 2285^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 12805741 - 2¹ = 12805739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805747) 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, 492516 + ... + 492541.

It is an arithmetic number, because the mean of its divisors is an integer number (3447703).

Almost surely, 2^12805741 is an apocalyptic number.

It is an amenable number.

12805741 is a deficient number, since it is larger than the sum of its proper divisors (985071).

12805741 is an equidigital number, since it uses as much as digits as its factorization.

12805741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985070.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12805741 is about 3578.5110031967. The cubic root of 12805741 is about 233.9563863003.

It can be divided in two parts, 1280 and 5741, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 12805741 in words is "twelve million, eight hundred five thousand, seven hundred forty-one".