13481443 has 2 divisors, whose sum is σ = 13481444. Its totient is φ = 13481442.

The previous prime is 13481417. The next prime is 13481477. The reversal of 13481443 is 34418431.

13481443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13481443 - 2¹⁷ = 13350371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13481843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740721 + 6740722.

It is an arithmetic number, because the mean of its divisors is an integer number (6740722).

Almost surely, 2^13481443 is an apocalyptic number.

13481443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13481443 is an equidigital number, since it uses as much as digits as its factorization.

13481443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 13481443 is about 3671.7084579253. The cubic root of 13481443 is about 238.0010062806.

Adding to 13481443 its reverse (34418431), we get a palindrome (47899874).

It can be divided in two parts, 13481 and 443, that added together give a square (13924 = 118²).

The spelling of 13481443 in words is "thirteen million, four hundred eighty-one thousand, four hundred forty-three".