Base | Representation |
---|---|
bin | 110000010101… |
… | …100011111010 |
3 | 212211202122200 |
4 | 300111203322 |
5 | 11220434401 |
6 | 1131331030 |
7 | 212463231 |
oct | 60254372 |
9 | 25752580 |
10 | 12671226 |
11 | 7175097 |
12 | 42b0a76 |
13 | 2818689 |
14 | 197bb18 |
15 | 11a4686 |
hex | c158fa |
12671226 has 12 divisors (see below), whose sum is σ = 27454362. Its totient is φ = 4223736.
The previous prime is 12671221. The next prime is 12671249. The reversal of 12671226 is 62217621.
12671226 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 6426225 + 6245001 = 2535^2 + 2499^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12671226.
It is not an unprimeable number, because it can be changed into a prime (12671221) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351961 + ... + 351996.
Almost surely, 212671226 is an apocalyptic number.
12671226 is an abundant number, since it is smaller than the sum of its proper divisors (14783136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12671226 is a wasteful number, since it uses less digits than its factorization.
12671226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703965 (or 703962 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 12671226 is about 3559.6665574180. Note that the first 3 decimals coincide. The cubic root of 12671226 is about 233.1343205573.
Adding to 12671226 its reverse (62217621), we get a palindrome (74888847).
The spelling of 12671226 in words is "twelve million, six hundred seventy-one thousand, two hundred twenty-six".
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