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BaseRepresentation
bin10111011111110
3121111120
42323332
5341110
6131410
750034
oct27376
917446
1012030
119047
126b66
135625
144554
153870
hex2efe

12030 has 16 divisors (see below), whose sum is σ = 28944. Its totient is φ = 3200.

The previous prime is 12011. The next prime is 12037. The reversal of 12030 is 3021.

Added to its reverse (3021) it gives a triangular number (15051 = T173).

12030 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 230.

It is an arithmetic number, because the mean of its divisors is an integer number (1809).

212030 is an apocalyptic number.

12030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030 is an abundant number, since it is smaller than the sum of its proper divisors (16914).

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 (14472).

12030 is a wasteful number, since it uses less digits than its factorization.

12030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 12030 is about 109.6813566656. The cubic root of 12030 is about 22.9133475450.

Adding to 12030 its reverse (3021), we get a palindrome (15051).

Subtracting from 12030 its reverse (3021), we obtain a palindrome (9009).

It can be divided in two parts, 120 and 30, that multiplied together give a square (3600 = 602).

The spelling of 12030 in words is "twelve thousand, thirty".