13591343 has 4 divisors (see below), whose sum is σ = 14060040. Its totient is φ = 13122648.

The previous prime is 13591339. The next prime is 13591351. The reversal of 13591343 is 34319531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13591343 - 2² = 13591339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 468667 = 13591343 / (1 + 3 + 5 + 9 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13591363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234305 + ... + 234362.

It is an arithmetic number, because the mean of its divisors is an integer number (3515010).

Almost surely, 2^13591343 is an apocalyptic number.

13591343 is a deficient number, since it is larger than the sum of its proper divisors (468697).

13591343 is an equidigital number, since it uses as much as digits as its factorization.

13591343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468696.

The product of its digits is 4860, while the sum is 29.

The square root of 13591343 is about 3686.6438667167. The cubic root of 13591343 is about 238.6459806550.

The spelling of 13591343 in words is "thirteen million, five hundred ninety-one thousand, three hundred forty-three".