Base | Representation |
---|---|
bin | 110000100100… |
… | …100001000110 |
3 | 212221212200120 |
4 | 300210201012 |
5 | 11224414421 |
6 | 1132522410 |
7 | 213136644 |
oct | 60444106 |
9 | 25855616 |
10 | 12732486 |
11 | 7207118 |
12 | 4320406 |
13 | 283a520 |
14 | 1996194 |
15 | 11b78c6 |
hex | c24846 |
12732486 has 32 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 3895584.
The previous prime is 12732481. The next prime is 12732493. The reversal of 12732486 is 68423721.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12732481) 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, 18301 + ... + 18983.
It is an arithmetic number, because the mean of its divisors is an integer number (861840).
Almost surely, 212732486 is an apocalyptic number.
12732486 is an abundant number, since it is smaller than the sum of its proper divisors (14846394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12732486 is a wasteful number, since it uses less digits than its factorization.
12732486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 940.
The product of its digits is 16128, while the sum is 33.
The square root of 12732486 is about 3568.2609209530. The cubic root of 12732486 is about 233.5094185576.
The spelling of 12732486 in words is "twelve million, seven hundred thirty-two thousand, four hundred eighty-six".
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