13305343 has 4 divisors (see below), whose sum is σ = 13429800. Its totient is φ = 13180888.

The previous prime is 13305323. The next prime is 13305349. The reversal of 13305343 is 34350331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34350331 = 59 ⋅582209.

It is a cyclic number.

It is not a de Polignac number, because 13305343 - 2²¹ = 11208191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305349) 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, 62068 + ... + 62281.

It is an arithmetic number, because the mean of its divisors is an integer number (3357450).

Almost surely, 2^13305343 is an apocalyptic number.

13305343 is a deficient number, since it is larger than the sum of its proper divisors (124457).

13305343 is a wasteful number, since it uses less digits than its factorization.

13305343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124456.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 13305343 is about 3647.6489688565. The cubic root of 13305343 is about 236.9601730034.

Adding to 13305343 its reverse (34350331), we get a palindrome (47655674).

The spelling of 13305343 in words is "thirteen million, three hundred five thousand, three hundred forty-three".