Base | Representation |
---|---|
bin | 110001100011… |
… | …000110110101 |
3 | 220102220100122 |
4 | 301203012311 |
5 | 11311120403 |
6 | 1142221325 |
7 | 215255243 |
oct | 61430665 |
9 | 26386318 |
10 | 12988853 |
11 | 7371799 |
12 | 4424845 |
13 | 28ca117 |
14 | 1a21793 |
15 | 1218838 |
hex | c631b5 |
12988853 has 2 divisors, whose sum is σ = 12988854. Its totient is φ = 12988852.
The previous prime is 12988849. The next prime is 12988861. The reversal of 12988853 is 35888921.
12988853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10804369 + 2184484 = 3287^2 + 1478^2 .
It is a cyclic number.
It is not a de Polignac number, because 12988853 - 22 = 12988849 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12988883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494426 + 6494427.
It is an arithmetic number, because the mean of its divisors is an integer number (6494427).
Almost surely, 212988853 is an apocalyptic number.
It is an amenable number.
12988853 is a deficient number, since it is larger than the sum of its proper divisors (1).
12988853 is an equidigital number, since it uses as much as digits as its factorization.
12988853 is an evil number, because the sum of its binary digits is even.
The product of its digits is 138240, while the sum is 44.
The square root of 12988853 is about 3604.0051331817. The cubic root of 12988853 is about 235.0662435854.
The spelling of 12988853 in words is "twelve million, nine hundred eighty-eight thousand, eight hundred fifty-three".
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