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12233 = 13941
BaseRepresentation
bin10111111001001
3121210002
42333021
5342413
6132345
750444
oct27711
917702
1012233
119211
1270b5
135750
14465b
153958
hex2fc9

12233 has 4 divisors (see below), whose sum is σ = 13188. Its totient is φ = 11280.

The previous prime is 12227. The next prime is 12239. The reversal of 12233 is 33221.

12233 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 33221 = 139239.

It is an interprime number because it is at equal distance from previous prime (12227) and next prime (12239).

It can be written as a sum of positive squares in 2 ways, for example, as 4489 + 7744 = 67^2 + 88^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12233 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (12239) 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, 458 + ... + 483.

It is an arithmetic number, because the mean of its divisors is an integer number (3297).

212233 is an apocalyptic number.

12233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12233 is a deficient number, since it is larger than the sum of its proper divisors (955).

12233 is an equidigital number, since it uses as much as digits as its factorization.

12233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 36, while the sum is 11.

The square root of 12233 is about 110.6028932714. The cubic root of 12233 is about 23.0415129295.

Adding to 12233 its reverse (33221), we get a palindrome (45454).

The spelling of 12233 in words is "twelve thousand, two hundred thirty-three".

Divisors: 1 13 941 12233