14381 has 4 divisors (see below), whose sum is σ = 14652. Its totient is φ = 14112.

The previous prime is 14369. The next prime is 14387. The reversal of 14381 is 18341.

It is a happy number.

14381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11881 + 2500 = 109^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14381 is a prime.

It is a super-2 number, since 2×14381² = 413626322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

14381 is an undulating number in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14381.

It is not an unprimeable number, because it can be changed into a prime (14387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 171.

It is an arithmetic number, because the mean of its divisors is an integer number (3663).

2¹⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

14381 is a deficient number, since it is larger than the sum of its proper divisors (271).

14381 is an equidigital number, since it uses as much as digits as its factorization.

14381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 96, while the sum is 17.

The square root of 14381 is about 119.9208072021. The cubic root of 14381 is about 24.3181031026.

The spelling of 14381 in words is "fourteen thousand, three hundred eighty-one".