13000943 has 2 divisors, whose sum is σ = 13000944. Its totient is φ = 13000942.

The previous prime is 13000919. The next prime is 13000963. The reversal of 13000943 is 34900031.

It is an a-pointer prime, because the next prime (13000963) can be obtained adding 13000943 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13000943 - 2¹⁰ = 12999919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13000913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500471 + 6500472.

It is an arithmetic number, because the mean of its divisors is an integer number (6500472).

Almost surely, 2^13000943 is an apocalyptic number.

13000943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000943 is an equidigital number, since it uses as much as digits as its factorization.

13000943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13000943 is about 3605.6820436639. The cubic root of 13000943 is about 235.1391540413.

Adding to 13000943 its reverse (34900031), we get a palindrome (47900974).

The spelling of 13000943 in words is "thirteen million, nine hundred forty-three", and thus it is an aban number.