Base | Representation |
---|---|
bin | 110001100001… |
… | …100101011100 |
3 | 220102120210210 |
4 | 301201211130 |
5 | 11310420440 |
6 | 1142132420 |
7 | 215231130 |
oct | 61414534 |
9 | 26376723 |
10 | 12982620 |
11 | 7368042 |
12 | 4421110 |
13 | 28c7331 |
14 | 1a1d3c0 |
15 | 1216a80 |
hex | c6195c |
12982620 has 48 divisors (see below), whose sum is σ = 41545728. Its totient is φ = 2967360.
The previous prime is 12982601. The next prime is 12982621. The reversal of 12982620 is 2628921.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12982621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15036 + ... + 15875.
It is an arithmetic number, because the mean of its divisors is an integer number (865536).
Almost surely, 212982620 is an apocalyptic number.
12982620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12982620 is an abundant number, since it is smaller than the sum of its proper divisors (28563108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12982620 is a wasteful number, since it uses less digits than its factorization.
12982620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30930 (or 30928 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 12982620 is about 3603.1402970187. The cubic root of 12982620 is about 235.0286369206.
The spelling of 12982620 in words is "twelve million, nine hundred eighty-two thousand, six hundred twenty".
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