13007943 has 24 divisors (see below), whose sum is σ = 20525232. Its totient is φ = 7890048.

The previous prime is 13007923. The next prime is 13007959. The reversal of 13007943 is 34970031.

It is not a de Polignac number, because 13007943 - 2¹⁰ = 13006919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13007923) 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 in 23 ways as a sum of consecutive naturals, for example, 7780 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (855218).

Almost surely, 2^13007943 is an apocalyptic number.

13007943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13007943 is a deficient number, since it is larger than the sum of its proper divisors (7517289).

13007943 is a wasteful number, since it uses less digits than its factorization.

13007943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13007943 is about 3606.6526031765. The cubic root of 13007943 is about 235.1813478718.

Adding to 13007943 its reverse (34970031), we get a palindrome (47977974).

The spelling of 13007943 in words is "thirteen million, seven thousand, nine hundred forty-three".