Base | Representation |
---|---|
bin | 110001001110… |
… | …100110111101 |
3 | 220021122012000 |
4 | 301032212331 |
5 | 11300424033 |
6 | 1140332513 |
7 | 214455411 |
oct | 61164675 |
9 | 26248160 |
10 | 12904893 |
11 | 7314701 |
12 | 43a4139 |
13 | 289ab41 |
14 | 19dcd41 |
15 | 11eda13 |
hex | c4e9bd |
12904893 has 16 divisors (see below), whose sum is σ = 19444800. Its totient is φ = 8456400.
The previous prime is 12904883. The next prime is 12904901. The reversal of 12904893 is 39840921.
It is not a de Polignac number, because 12904893 - 25 = 12904861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12904813) 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, 2458 + ... + 5643.
It is an arithmetic number, because the mean of its divisors is an integer number (1215300).
Almost surely, 212904893 is an apocalyptic number.
It is an amenable number.
12904893 is a deficient number, since it is larger than the sum of its proper divisors (6539907).
12904893 is an equidigital number, since it uses as much as digits as its factorization.
12904893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8169 (or 8163 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 12904893 is about 3592.3380965605. The cubic root of 12904893 is about 234.5586586057.
The spelling of 12904893 in words is "twelve million, nine hundred four thousand, eight hundred ninety-three".
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