Base | Representation |
---|---|
bin | 110000000101… |
… | …101100110101 |
3 | 212201110112120 |
4 | 300011230311 |
5 | 11211400021 |
6 | 1130110153 |
7 | 212102643 |
oct | 60055465 |
9 | 25643476 |
10 | 12606261 |
11 | 71302a8 |
12 | 427b359 |
13 | 27c4c35 |
14 | 1962193 |
15 | 11902c6 |
hex | c05b35 |
12606261 has 8 divisors (see below), whose sum is σ = 16937184. Its totient is φ = 8339760.
The previous prime is 12606259. The next prime is 12606283. The reversal of 12606261 is 16260621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12606261 - 21 = 12606259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12606241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15646 + ... + 16431.
It is an arithmetic number, because the mean of its divisors is an integer number (2117148).
Almost surely, 212606261 is an apocalyptic number.
It is an amenable number.
12606261 is a deficient number, since it is larger than the sum of its proper divisors (4330923).
12606261 is a wasteful number, since it uses less digits than its factorization.
12606261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32211.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 12606261 is about 3550.5296787944. The cubic root of 12606261 is about 232.7352134585.
Adding to 12606261 its reverse (16260621), we get a palindrome (28866882).
The spelling of 12606261 in words is "twelve million, six hundred six thousand, two hundred sixty-one".
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