13045943 has 2 divisors, whose sum is σ = 13045944. Its totient is φ = 13045942.

The previous prime is 13045933. The next prime is 13045961. The reversal of 13045943 is 34954031.

13045943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13045943 - 2⁴ = 13045927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13045933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522971 + 6522972.

It is an arithmetic number, because the mean of its divisors is an integer number (6522972).

Almost surely, 2^13045943 is an apocalyptic number.

13045943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045943 is an equidigital number, since it uses as much as digits as its factorization.

13045943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13045943 is about 3611.9168041360. The cubic root of 13045943 is about 235.4101363613.

Adding to 13045943 its reverse (34954031), we get a palindrome (47999974).

The spelling of 13045943 in words is "thirteen million, forty-five thousand, nine hundred forty-three".