13951943 has 4 divisors (see below), whose sum is σ = 14053920. Its totient is φ = 13849968.

The previous prime is 13951937. The next prime is 13951957. The reversal of 13951943 is 34915931.

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 13951943 - 2¹⁰ = 13950919 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 (13951933) 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, 50783 + ... + 51056.

It is an arithmetic number, because the mean of its divisors is an integer number (3513480).

Almost surely, 2^13951943 is an apocalyptic number.

13951943 is a deficient number, since it is larger than the sum of its proper divisors (101977).

13951943 is a wasteful number, since it uses less digits than its factorization.

13951943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101976.

The product of its digits is 14580, while the sum is 35.

The square root of 13951943 is about 3735.2299795327. The cubic root of 13951943 is about 240.7381383513.

The spelling of 13951943 in words is "thirteen million, nine hundred fifty-one thousand, nine hundred forty-three".