Base | Representation |
---|---|
bin | 110000000101… |
… | …101001100111 |
3 | 212201110020221 |
4 | 300011221213 |
5 | 11211343210 |
6 | 1130105211 |
7 | 212102230 |
oct | 60055147 |
9 | 25643227 |
10 | 12606055 |
11 | 7130130 |
12 | 427b207 |
13 | 27c4b07 |
14 | 1962087 |
15 | 11901da |
hex | c05a67 |
12606055 has 32 divisors (see below), whose sum is σ = 19077120. Its totient is φ = 7768320.
The previous prime is 12606043. The next prime is 12606059. The reversal of 12606055 is 55060621.
It is not a de Polignac number, because 12606055 - 213 = 12597863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12606059) 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 31 ways as a sum of consecutive naturals, for example, 52626 + ... + 52864.
It is an arithmetic number, because the mean of its divisors is an integer number (596160).
Almost surely, 212606055 is an apocalyptic number.
12606055 is a deficient number, since it is larger than the sum of its proper divisors (6471065).
12606055 is a wasteful number, since it uses less digits than its factorization.
12606055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 12606055 is about 3550.5006689198. The cubic root of 12606055 is about 232.7339457361.
Adding to 12606055 its reverse (55060621), we get a palindrome (67666676).
It can be divided in two parts, 1260605 and 5, that multiplied together give a triangular number (6303025 = T3550).
The spelling of 12606055 in words is "twelve million, six hundred six thousand, fifty-five".
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