13943937 has 8 divisors (see below), whose sum is σ = 21247936. Its totient is φ = 7967952.

The previous prime is 13943933. The next prime is 13943947. The reversal of 13943937 is 73934931.

13943937 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13943937 - 2² = 13943933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13943895 and 13943904.

It is not an unprimeable number, because it can be changed into a prime (13943933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331978 + ... + 332019.

It is an arithmetic number, because the mean of its divisors is an integer number (2655992).

Almost surely, 2^13943937 is an apocalyptic number.

It is an amenable number.

13943937 is a deficient number, since it is larger than the sum of its proper divisors (7303999).

13943937 is an equidigital number, since it uses as much as digits as its factorization.

13943937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664007.

The product of its digits is 61236, while the sum is 39.

The square root of 13943937 is about 3734.1581380547. The cubic root of 13943937 is about 240.6920822020.

The spelling of 13943937 in words is "thirteen million, nine hundred forty-three thousand, nine hundred thirty-seven".