Base | Representation |
---|---|
bin | 110000001001… |
… | …010010001001 |
3 | 212202012200010 |
4 | 300021102021 |
5 | 11212332222 |
6 | 1130302133 |
7 | 212163510 |
oct | 60112211 |
9 | 25665603 |
10 | 12620937 |
11 | 714032a |
12 | 4287949 |
13 | 27cb814 |
14 | 1967677 |
15 | 119480c |
hex | c09489 |
12620937 has 16 divisors (see below), whose sum is σ = 19853312. Its totient is φ = 6978960.
The previous prime is 12620891. The next prime is 12620939. The reversal of 12620937 is 73902621.
It is not a de Polignac number, because 12620937 - 212 = 12616841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12620939) 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, 9043 + ... + 10344.
It is an arithmetic number, because the mean of its divisors is an integer number (1240832).
Almost surely, 212620937 is an apocalyptic number.
It is an amenable number.
12620937 is a deficient number, since it is larger than the sum of its proper divisors (7232375).
12620937 is a wasteful number, since it uses less digits than its factorization.
12620937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19428.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 12620937 is about 3552.5958115159. The cubic root of 12620937 is about 232.8254939251.
The spelling of 12620937 in words is "twelve million, six hundred twenty thousand, nine hundred thirty-seven".
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