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12126 = 234347
BaseRepresentation
bin10111101011110
3121122010
42331132
5342001
6132050
750232
oct27536
917563
1012126
119124
127026
13569a
1445c2
1538d6
hex2f5e

12126 has 16 divisors (see below), whose sum is σ = 25344. Its totient is φ = 3864.

The previous prime is 12119. The next prime is 12143. The reversal of 12126 is 62121.

Adding to 12126 its reverse (62121), we get a palindrome (74247).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12126.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 281.

It is an arithmetic number, because the mean of its divisors is an integer number (1584).

212126 is an apocalyptic number.

12126 is an abundant number, since it is smaller than the sum of its proper divisors (13218).

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 (12672).

12126 is a wasteful number, since it uses less digits than its factorization.

12126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95.

The product of its digits is 24, while the sum is 12.

The square root of 12126 is about 110.1181184002. The cubic root of 12126 is about 22.9741360177.

The spelling of 12126 in words is "twelve thousand, one hundred twenty-six".

Divisors: 1 2 3 6 43 47 86 94 129 141 258 282 2021 4042 6063 12126