Base | Representation |
---|---|
bin | 110000101000… |
… | …000001010110 |
3 | 212222121101010 |
4 | 300220001112 |
5 | 11230344323 |
6 | 1133113050 |
7 | 213226536 |
oct | 60500126 |
9 | 25877333 |
10 | 12746838 |
11 | 7216985 |
12 | 4328786 |
13 | 2843c10 |
14 | 199b4c6 |
15 | 11bbc93 |
hex | c28056 |
12746838 has 32 divisors (see below), whose sum is σ = 29072736. Its totient is φ = 3691008.
The previous prime is 12746837. The next prime is 12746849. The reversal of 12746838 is 83864721.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 12746796 and 12746805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12746837) 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, 3481 + ... + 6132.
It is an arithmetic number, because the mean of its divisors is an integer number (908523).
Almost surely, 212746838 is an apocalyptic number.
12746838 is an abundant number, since it is smaller than the sum of its proper divisors (16325898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12746838 is a wasteful number, since it uses less digits than its factorization.
12746838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9648.
The product of its digits is 64512, while the sum is 39.
The square root of 12746838 is about 3570.2714182538. The cubic root of 12746838 is about 233.5971225290.
The spelling of 12746838 in words is "twelve million, seven hundred forty-six thousand, eight hundred thirty-eight".
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