Base | Representation |
---|---|
bin | 101111010101… |
… | …011000001010 |
3 | 212100102000210 |
4 | 233111120022 |
5 | 11134031310 |
6 | 1121541550 |
7 | 210316614 |
oct | 57253012 |
9 | 25312023 |
10 | 12408330 |
11 | 7005620 |
12 | 41a48b6 |
13 | 2755b0c |
14 | 190ddb4 |
15 | 1151820 |
hex | bd560a |
12408330 has 64 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 2848320.
The previous prime is 12408313. The next prime is 12408343. The reversal of 12408330 is 3380421.
It is a happy number.
12408330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12408297 and 12408306.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5281 + ... + 7259.
It is an arithmetic number, because the mean of its divisors is an integer number (534600).
Almost surely, 212408330 is an apocalyptic number.
12408330 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 12408330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17107200).
12408330 is an abundant number, since it is smaller than the sum of its proper divisors (21806070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12408330 is a wasteful number, since it uses less digits than its factorization.
12408330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2019.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 12408330 is about 3522.5459542780. The cubic root of 12408330 is about 231.5107232242.
Adding to 12408330 its reverse (3380421), we get a palindrome (15788751).
The spelling of 12408330 in words is "twelve million, four hundred eight thousand, three hundred thirty".
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