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12150 = 23552
BaseRepresentation
bin10111101110110
3121200000
42331312
5342100
6132130
750265
oct27566
917600
1012150
119146
127046
1356b8
1445dc
153900
hex2f76

12150 has 36 divisors (see below), whose sum is σ = 33852. Its totient is φ = 3240.

The previous prime is 12149. The next prime is 12157. The reversal of 12150 is 5121.

Adding to 12150 its reverse (5121), we get a palindrome (17271).

It can be divided in two parts, 121 and 50, that added together give a palindrome (171).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

12150 is a Rhonda number in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2428 + ... + 2432.

212150 is an apocalyptic number.

12150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16926).

12150 is an abundant number, since it is smaller than the sum of its proper divisors (21702).

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

12150 is an equidigital number, since it uses as much as digits as its factorization.

12150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 12150 is about 110.2270384252. The cubic root of 12150 is about 22.9892829718.

The spelling of 12150 in words is "twelve thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 243 270 405 450 486 675 810 1215 1350 2025 2430 4050 6075 12150