12443741 has 4 divisors (see below), whose sum is σ = 12845184. Its totient is φ = 12042300.

The previous prime is 12443731. The next prime is 12443747. The reversal of 12443741 is 14734421.

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 a de Polignac number, because none of the positive numbers 2^k-12443741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12443741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443747) 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, 200675 + ... + 200736.

It is an arithmetic number, because the mean of its divisors is an integer number (3211296).

Almost surely, 2^12443741 is an apocalyptic number.

It is an amenable number.

12443741 is a deficient number, since it is larger than the sum of its proper divisors (401443).

12443741 is an equidigital number, since it uses as much as digits as its factorization.

12443741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401442.

The product of its digits is 2688, while the sum is 26.

The square root of 12443741 is about 3527.5687094655. The cubic root of 12443741 is about 231.7307431632.

The spelling of 12443741 in words is "twelve million, four hundred forty-three thousand, seven hundred forty-one".