| Base | Representation |
|---|---|
| bin | 101110010100… |
| … | …101010000000 |
| 3 | 211211221101100 |
| 4 | 232110222000 |
| 5 | 11102040412 |
| 6 | 1112134400 |
| 7 | 205134003 |
| oct | 56245200 |
| 9 | 24757340 |
| 10 | 12143232 |
| 11 | 6944432 |
| 12 | 4097400 |
| 13 | 269225a |
| 14 | 188153a |
| 15 | 10ecedc |
| hex | b94a80 |
12143232 has 96 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 3967488.
The previous prime is 12143221. The next prime is 12143233. The reversal of 12143232 is 23234121.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (12143233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95553 + ... + 95679.
It is an arithmetic number, because the mean of its divisors is an integer number (371280).
Almost surely, 212143232 is an apocalyptic number.
12143232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440).
12143232 is an abundant number, since it is smaller than the sum of its proper divisors (23499648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12143232 is a wasteful number, since it uses less digits than its factorization.
12143232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230 (or 215 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 12143232 is about 3484.7140485268. The cubic root of 12143232 is about 229.8501355161.
Adding to 12143232 its reverse (23234121), we get a palindrome (35377353).
The spelling of 12143232 in words is "twelve million, one hundred forty-three thousand, two hundred thirty-two".
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