13805443 has 2 divisors, whose sum is σ = 13805444. Its totient is φ = 13805442.

The previous prime is 13805437. The next prime is 13805471. The reversal of 13805443 is 34450831.

13805443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13805471) can be obtained adding 13805443 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13805443 is a prime.

It is not a weakly prime, because it can be changed into another prime (13805843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6902721 + 6902722.

It is an arithmetic number, because the mean of its divisors is an integer number (6902722).

Almost surely, 2^13805443 is an apocalyptic number.

13805443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13805443 is an equidigital number, since it uses as much as digits as its factorization.

13805443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 13805443 is about 3715.5676551504. The cubic root of 13805443 is about 239.8925618652.

The spelling of 13805443 in words is "thirteen million, eight hundred five thousand, four hundred forty-three".