13345443 has 6 divisors (see below), whose sum is σ = 19276764. Its totient is φ = 8896956.

The previous prime is 13345439. The next prime is 13345463. The reversal of 13345443 is 34454331.

13345443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13345443 - 2² = 13345439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13345403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741405 + ... + 741422.

It is an arithmetic number, because the mean of its divisors is an integer number (3212794).

Almost surely, 2^13345443 is an apocalyptic number.

13345443 is a deficient number, since it is larger than the sum of its proper divisors (5931321).

13345443 is a wasteful number, since it uses less digits than its factorization.

13345443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482833 (or 1482830 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 13345443 is about 3653.1415247702. The cubic root of 13345443 is about 237.1979865642.

Adding to 13345443 its reverse (34454331), we get a palindrome (47799774).

The spelling of 13345443 in words is "thirteen million, three hundred forty-five thousand, four hundred forty-three".