Base | Representation |
---|---|
bin | 110000100111… |
… | …101010011011 |
3 | 212222112100210 |
4 | 300213222123 |
5 | 11230322441 |
6 | 1133102203 |
7 | 213222342 |
oct | 60475233 |
9 | 25875323 |
10 | 12745371 |
11 | 7215871 |
12 | 4327963 |
13 | 2843352 |
14 | 199ab59 |
15 | 11bb616 |
hex | c27a9b |
12745371 has 16 divisors (see below), whose sum is σ = 18467840. Its totient is φ = 7788960.
The previous prime is 12745367. The next prime is 12745379. The reversal of 12745371 is 17354721.
It is not a de Polignac number, because 12745371 - 22 = 12745367 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12745379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840 + ... + 5373.
It is an arithmetic number, because the mean of its divisors is an integer number (1154240).
Almost surely, 212745371 is an apocalyptic number.
12745371 is a deficient number, since it is larger than the sum of its proper divisors (5722469).
12745371 is a wasteful number, since it uses less digits than its factorization.
12745371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7266.
The product of its digits is 5880, while the sum is 30.
The square root of 12745371 is about 3570.0659657771. The cubic root of 12745371 is about 233.5881608261.
The spelling of 12745371 in words is "twelve million, seven hundred forty-five thousand, three hundred seventy-one".
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