13065943 has 12 divisors (see below), whose sum is σ = 14545944. Its totient is φ = 11726000.

The previous prime is 13065929. The next prime is 13065961. The reversal of 13065943 is 34956031.

It is not a de Polignac number, because 13065943 - 2⁹ = 13065431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13065443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9393 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (1212162).

Almost surely, 2^13065943 is an apocalyptic number.

13065943 is a deficient number, since it is larger than the sum of its proper divisors (1480001).

13065943 is a wasteful number, since it uses less digits than its factorization.

13065943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 13065943 is about 3614.6843568976. The cubic root of 13065943 is about 235.5303729441.

The spelling of 13065943 in words is "thirteen million, sixty-five thousand, nine hundred forty-three".