13307443 has 4 divisors (see below), whose sum is σ = 13403320. Its totient is φ = 13211568.

The previous prime is 13307431. The next prime is 13307449. The reversal of 13307443 is 34470331.

It is a happy number.

13307443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34470331 = 7 ⋅4924333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13307443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13307449) 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, 47730 + ... + 48007.

It is an arithmetic number, because the mean of its divisors is an integer number (3350830).

Almost surely, 2^13307443 is an apocalyptic number.

13307443 is a deficient number, since it is larger than the sum of its proper divisors (95877).

13307443 is an equidigital number, since it uses as much as digits as its factorization.

13307443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95876.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 13307443 is about 3647.9368141458. The cubic root of 13307443 is about 236.9726389274.

Adding to 13307443 its reverse (34470331), we get a palindrome (47777774).

The spelling of 13307443 in words is "thirteen million, three hundred seven thousand, four hundred forty-three".