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14405 = 54367

14405 has 8 divisors (see below), whose sum is σ = 17952. Its totient is φ = 11088.

The previous prime is 14401. The next prime is 14407. The reversal of 14405 is 50441.

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

It is a cyclic number.

It is not a de Polignac number, because 14405 - 22 = 14401 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 14405.

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 14405.

It is not an unprimeable number, because it can be changed into a prime (14401) 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, 182 + ... + 248.

It is an arithmetic number, because the mean of its divisors is an integer number (2244).

214405 is an apocalyptic number.

It is an amenable number.

14405 is a deficient number, since it is larger than the sum of its proper divisors (3547).

14405 is an equidigital number, since it uses as much as digits as its factorization.

14405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 14405 is about 120.0208315252. The cubic root of 14405 is about 24.3316234907.

Adding to 14405 its reverse (50441), we get a palindrome (64846).

The spelling of 14405 in words is "fourteen thousand, four hundred five".

Divisors: 1 5 43 67 215 335 2881 14405