Base | Representation |
---|---|
bin | 110000010101… |
… | …100110000001 |
3 | 212211202211200 |
4 | 300111212001 |
5 | 11220440421 |
6 | 1131331413 |
7 | 212463513 |
oct | 60254601 |
9 | 25752750 |
10 | 12671361 |
11 | 71751aa |
12 | 42b0b69 |
13 | 2818761 |
14 | 197bbb3 |
15 | 11a4726 |
hex | c15981 |
12671361 has 12 divisors (see below), whose sum is σ = 18524688. Its totient is φ = 8345304.
The previous prime is 12671339. The next prime is 12671377. The reversal of 12671361 is 16317621.
It is not a de Polignac number, because 12671361 - 26 = 12671297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12671381) 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, 7735 + ... + 9228.
It is an arithmetic number, because the mean of its divisors is an integer number (1543724).
Almost surely, 212671361 is an apocalyptic number.
It is an amenable number.
12671361 is a deficient number, since it is larger than the sum of its proper divisors (5853327).
12671361 is a wasteful number, since it uses less digits than its factorization.
12671361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17052 (or 17049 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 12671361 is about 3559.6855198177. The cubic root of 12671361 is about 233.1351484967.
Adding to 12671361 its reverse (16317621), we get a palindrome (28988982).
It can be divided in two parts, 1267 and 1361, that added together give a triangular number (2628 = T72).
The spelling of 12671361 in words is "twelve million, six hundred seventy-one thousand, three hundred sixty-one".
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