13081743 has 10 divisors (see below), whose sum is σ = 19541984. Its totient is φ = 8721108.

The previous prime is 13081729. The next prime is 13081751. The reversal of 13081743 is 34718031.

13081743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13081743 - 2⁴ = 13081727 is a prime.

It is a super-2 number, since 2×13081743² = 342263999836098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081793) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80671 + ... + 80832.

Almost surely, 2^13081743 is an apocalyptic number.

13081743 is a deficient number, since it is larger than the sum of its proper divisors (6460241).

13081743 is an equidigital number, since it uses as much as digits as its factorization.

13081743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161515 (or 161506 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13081743 is about 3616.8692262784. The cubic root of 13081743 is about 235.6252731201.

Adding to 13081743 its reverse (34718031), we get a palindrome (47799774).

It can be divided in two parts, 13081 and 743, that added together give a cube (13824 = 24³).

The spelling of 13081743 in words is "thirteen million, eighty-one thousand, seven hundred forty-three".