Base | Representation |
---|---|
bin | 110001100011… |
… | …111011111111 |
3 | 220110002000122 |
4 | 301203323333 |
5 | 11311223010 |
6 | 1142245155 |
7 | 215301203 |
oct | 61437377 |
9 | 26402018 |
10 | 12992255 |
11 | 7374301 |
12 | 44267bb |
13 | 28cb833 |
14 | 1a22b03 |
15 | 1219855 |
hex | c63eff |
12992255 has 16 divisors (see below), whose sum is σ = 16262400. Its totient is φ = 9953280.
The previous prime is 12992251. The next prime is 12992269. The reversal of 12992255 is 55229921.
It is not a de Polignac number, because 12992255 - 22 = 12992251 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12992251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16511 + ... + 17279.
It is an arithmetic number, because the mean of its divisors is an integer number (1016400).
Almost surely, 212992255 is an apocalyptic number.
12992255 is a deficient number, since it is larger than the sum of its proper divisors (3270145).
12992255 is a wasteful number, since it uses less digits than its factorization.
12992255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 914.
The product of its digits is 16200, while the sum is 35.
The square root of 12992255 is about 3604.4770771916. The cubic root of 12992255 is about 235.0867644006.
The spelling of 12992255 in words is "twelve million, nine hundred ninety-two thousand, two hundred fifty-five".
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