14081993 has 6 divisors (see below), whose sum is σ = 14299866. Its totient is φ = 13867392.

The previous prime is 14081953. The next prime is 14082007. The reversal of 14081993 is 39918041.

It can be written as a sum of positive squares in only one way, i.e., 14077504 + 4489 = 3752^2 + 67^2 .

It is not a de Polignac number, because 14081993 - 2²⁰ = 13033417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14081923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2921 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (2383311).

Almost surely, 2^14081993 is an apocalyptic number.

It is an amenable number.

14081993 is a deficient number, since it is larger than the sum of its proper divisors (217873).

14081993 is an frugal number, since it uses more digits than its factorization.

14081993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 14081993 is about 3752.5981666040. The cubic root of 14081993 is about 241.4838222713.

The spelling of 14081993 in words is "fourteen million, eighty-one thousand, nine hundred ninety-three".