Base | Representation |
---|---|
bin | 110010000101… |
… | …000001000010 |
3 | 220200221212211 |
4 | 302011001002 |
5 | 11330041441 |
6 | 1145212334 |
7 | 216404212 |
oct | 62050102 |
9 | 26627784 |
10 | 13127746 |
11 | 7457085 |
12 | 44910aa |
13 | 29483c8 |
14 | 1a5a242 |
15 | 1244a81 |
hex | c85042 |
13127746 has 16 divisors (see below), whose sum is σ = 20995200. Its totient is φ = 6138288.
The previous prime is 13127743. The next prime is 13127747. The reversal of 13127746 is 64772131.
It is not an unprimeable number, because it can be changed into a prime (13127743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816 + ... + 5188.
It is an arithmetic number, because the mean of its divisors is an integer number (1312200).
Almost surely, 213127746 is an apocalyptic number.
13127746 is a deficient number, since it is larger than the sum of its proper divisors (7867454).
13127746 is a wasteful number, since it uses less digits than its factorization.
13127746 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4473.
The product of its digits is 7056, while the sum is 31.
The square root of 13127746 is about 3623.2231507320. The cubic root of 13127746 is about 235.9011483927.
Adding to 13127746 its reverse (64772131), we get a palindrome (77899877).
The spelling of 13127746 in words is "thirteen million, one hundred twenty-seven thousand, seven hundred forty-six".
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