13081443 has 8 divisors (see below), whose sum is σ = 18360000. Its totient is φ = 8261928.

The previous prime is 13081433. The next prime is 13081447. The reversal of 13081443 is 34418031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13081443 - 2⁴ = 13081427 is a prime.

It is a super-2 number, since 2×13081443² = 342248301924498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13081447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114693 + ... + 114806.

It is an arithmetic number, because the mean of its divisors is an integer number (2295000).

Almost surely, 2^13081443 is an apocalyptic number.

13081443 is a deficient number, since it is larger than the sum of its proper divisors (5278557).

13081443 is a wasteful number, since it uses less digits than its factorization.

13081443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229521.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13081443 is about 3616.8277537090. The cubic root of 13081443 is about 235.6234719299.

Adding to 13081443 its reverse (34418031), we get a palindrome (47499474).

The spelling of 13081443 in words is "thirteen million, eighty-one thousand, four hundred forty-three".