13967943 has 16 divisors (see below), whose sum is σ = 20397312. Its totient is φ = 8432000.

The previous prime is 13967939. The next prime is 13967957. The reversal of 13967943 is 34976931.

It is a cyclic number.

It is not a de Polignac number, because 13967943 - 2² = 13967939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13967895 and 13967904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13967543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9583 + ... + 10943.

It is an arithmetic number, because the mean of its divisors is an integer number (1274832).

Almost surely, 2^13967943 is an apocalyptic number.

13967943 is a deficient number, since it is larger than the sum of its proper divisors (6429369).

13967943 is a wasteful number, since it uses less digits than its factorization.

13967943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its digits is 122472, while the sum is 42.

The square root of 13967943 is about 3737.3711349022. The cubic root of 13967943 is about 240.8301288538.

It can be divided in two parts, 1396 and 7943, that added together give a palindrome (9339).

The spelling of 13967943 in words is "thirteen million, nine hundred sixty-seven thousand, nine hundred forty-three".