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12383 = 72961
BaseRepresentation
bin11000001011111
3121222122
43001133
5344013
6133155
751050
oct30137
917878
1012383
119338
1271bb
135837
144727
153a08
hex305f

12383 has 8 divisors (see below), whose sum is σ = 14880. Its totient is φ = 10080.

The previous prime is 12379. The next prime is 12391. The reversal of 12383 is 38321.

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

It is not a de Polignac number, because 12383 - 22 = 12379 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323) 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, 173 + ... + 233.

It is an arithmetic number, because the mean of its divisors is an integer number (1860).

212383 is an apocalyptic number.

12383 is a deficient number, since it is larger than the sum of its proper divisors (2497).

12383 is an equidigital number, since it uses as much as digits as its factorization.

12383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97.

The product of its digits is 144, while the sum is 17.

The square root of 12383 is about 111.2789288230. The cubic root of 12383 is about 23.1353082847.

The spelling of 12383 in words is "twelve thousand, three hundred eighty-three".

Divisors: 1 7 29 61 203 427 1769 12383