Base | Representation |
---|---|
bin | 101110010010… |
… | …100010100000 |
3 | 211211111111011 |
4 | 232102202200 |
5 | 11101301220 |
6 | 1112030304 |
7 | 205066504 |
oct | 56224240 |
9 | 24744434 |
10 | 12134560 |
11 | 6938969 |
12 | 4092394 |
13 | 268b319 |
14 | 187c304 |
15 | 10ea65a |
hex | b928a0 |
12134560 has 48 divisors (see below), whose sum is σ = 28917000. Its totient is φ = 4811776.
The previous prime is 12134543. The next prime is 12134569. The reversal of 12134560 is 6543121.
It can be written as a sum of positive squares in 4 ways, for example, as 9217296 + 2917264 = 3036^2 + 1708^2 .
It is not an unprimeable number, because it can be changed into a prime (12134569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23586 + ... + 24094.
Almost surely, 212134560 is an apocalyptic number.
12134560 is a gapful number since it is divisible by the number (10) 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 12134560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14458500).
12134560 is an abundant number, since it is smaller than the sum of its proper divisors (16782440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12134560 is a wasteful number, since it uses less digits than its factorization.
12134560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673 (or 665 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 12134560 is about 3483.4695348173. The cubic root of 12134560 is about 229.7954072237.
Adding to 12134560 its reverse (6543121), we get a palindrome (18677681).
The spelling of 12134560 in words is "twelve million, one hundred thirty-four thousand, five hundred sixty".
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