Base | Representation |
---|---|
bin | 110000111111… |
… | …111111001001 |
3 | 220011121000210 |
4 | 300333333021 |
5 | 11242020001 |
6 | 1135151333 |
7 | 214115661 |
oct | 60777711 |
9 | 26147023 |
10 | 12845001 |
11 | 7283704 |
12 | 4375549 |
13 | 28797c0 |
14 | 19c51a1 |
15 | 11dadd6 |
hex | c3ffc9 |
12845001 has 16 divisors (see below), whose sum is σ = 18514496. Its totient is φ = 7874496.
The previous prime is 12844987. The next prime is 12845033. The reversal of 12845001 is 10054821.
It is not a de Polignac number, because 12845001 - 27 = 12844873 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12845071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14106 + ... + 14988.
It is an arithmetic number, because the mean of its divisors is an integer number (1157156).
Almost surely, 212845001 is an apocalyptic number.
It is an amenable number.
12845001 is a deficient number, since it is larger than the sum of its proper divisors (5669495).
12845001 is a wasteful number, since it uses less digits than its factorization.
12845001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1272.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 12845001 is about 3583.9923270007. The cubic root of 12845001 is about 234.1952311812.
Adding to 12845001 its reverse (10054821), we get a palindrome (22899822).
The spelling of 12845001 in words is "twelve million, eight hundred forty-five thousand, one".
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