13995943 has 4 divisors (see below), whose sum is σ = 15072568. Its totient is φ = 12919320.

The previous prime is 13995931. The next prime is 13995959. The reversal of 13995943 is 34959931.

13995943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13995943 - 2¹³ = 13987751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538293 + ... + 538318.

It is an arithmetic number, because the mean of its divisors is an integer number (3768142).

Almost surely, 2^13995943 is an apocalyptic number.

13995943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13995943 is a deficient number, since it is larger than the sum of its proper divisors (1076625).

13995943 is a wasteful number, since it uses less digits than its factorization.

13995943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076624.

The product of its digits is 131220, while the sum is 43.

The square root of 13995943 is about 3741.1152080630. The cubic root of 13995943 is about 240.9909433418.

The spelling of 13995943 in words is "thirteen million, nine hundred ninety-five thousand, nine hundred forty-three".