12250 has 24 divisors (see below), whose sum is σ = 26676. Its totient is φ = 4200.

The previous prime is 12241. The next prime is 12251. The reversal of 12250 is 5221.

It can be written as a sum of positive squares in 2 ways, for example, as 8281 + 3969 = 91^2 + 63^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (12251) by changing a digit.

12250 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 11 ways as a sum of consecutive naturals, for example, 1747 + ... + 1753.

2¹²²⁵⁰ is an apocalyptic number.

12250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12250 is an abundant number, since it is smaller than the sum of its proper divisors (14426).

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 (13338).

12250 is an equidigital number, since it uses as much as digits as its factorization.

12250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 12250 is about 110.6797181059. The cubic root of 12250 is about 23.0521814603.

Multiplying 12250 by its sum of digits (10), we get a square (122500 = 350²).

12250 divided by its sum of digits (10) gives a triangular number (1225 = T₄₉).

Adding to 12250 its reverse (5221), we get a palindrome (17471).

It can be divided in two parts, 12 and 250, that added together give a palindrome (262).

The spelling of 12250 in words is "twelve thousand, two hundred fifty".