13081343 has 4 divisors (see below), whose sum is σ = 14270568. Its totient is φ = 11892120.

The previous prime is 13081339. The next prime is 13081351. The reversal of 13081343 is 34318031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34318031 = 11 ⋅3119821.

It is a cyclic number.

It is not a de Polignac number, because 13081343 - 2² = 13081339 is a prime.

It is a super-2 number, since 2×13081343² = 342243069367298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594596 + ... + 594617.

It is an arithmetic number, because the mean of its divisors is an integer number (3567642).

Almost surely, 2^13081343 is an apocalyptic number.

13081343 is a deficient number, since it is larger than the sum of its proper divisors (1189225).

13081343 is a wasteful number, since it uses less digits than its factorization.

13081343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189224.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13081343 is about 3616.8139294136. The cubic root of 13081343 is about 235.6228715270.

Adding to 13081343 its reverse (34318031), we get a palindrome (47399374).

The spelling of 13081343 in words is "thirteen million, eighty-one thousand, three hundred forty-three".