14180993 has 4 divisors (see below), whose sum is σ = 14340420. Its totient is φ = 14021568.

The previous prime is 14180989. The next prime is 14181001. The reversal of 14180993 is 39908141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 7795264 = 2527^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 14180993 - 2² = 14180989 is a prime.

It is a super-2 number, since 2×14180993² = 402201124932098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14180923) 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, 79580 + ... + 79757.

It is an arithmetic number, because the mean of its divisors is an integer number (3585105).

Almost surely, 2^14180993 is an apocalyptic number.

It is an amenable number.

14180993 is a deficient number, since it is larger than the sum of its proper divisors (159427).

14180993 is an equidigital number, since it uses as much as digits as its factorization.

14180993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159426.

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

The square root of 14180993 is about 3765.7659247489. The cubic root of 14180993 is about 242.0483988984.

The spelling of 14180993 in words is "fourteen million, one hundred eighty thousand, nine hundred ninety-three".