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12260 = 225613
BaseRepresentation
bin10111111100100
3121211002
42333210
5343020
6132432
750513
oct27744
917732
1012260
119236
127118
135771
14467a
153975
hex2fe4

12260 has 12 divisors (see below), whose sum is σ = 25788. Its totient is φ = 4896.

The previous prime is 12253. The next prime is 12263. The reversal of 12260 is 6221.

It can be written as a sum of positive squares in 2 ways, for example, as 1444 + 10816 = 38^2 + 104^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12263) by changing a digit.

12260 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (2149).

212260 is an apocalyptic number.

12260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12260 is an abundant number, since it is smaller than the sum of its proper divisors (13528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12894).

12260 is a wasteful number, since it uses less digits than its factorization.

12260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12260 is about 110.7248842853. The cubic root of 12260 is about 23.0584524566.

Adding to 12260 its reverse (6221), we get a palindrome (18481).

It can be divided in two parts, 12 and 260, that added together give a palindrome (272).

The spelling of 12260 in words is "twelve thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 613 1226 2452 3065 6130 12260