Base | Representation |
---|---|
bin | 110001011011… |
… | …100110000111 |
3 | 220101100011011 |
4 | 301123212013 |
5 | 11304124322 |
6 | 1141423051 |
7 | 215066452 |
oct | 61334607 |
9 | 26340134 |
10 | 12958087 |
11 | 735066a |
12 | 440aa87 |
13 | 28b910c |
14 | 1a14499 |
15 | 120e677 |
hex | c5b987 |
12958087 has 2 divisors, whose sum is σ = 12958088. Its totient is φ = 12958086.
The previous prime is 12958079. The next prime is 12958109. The reversal of 12958087 is 78085921.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12958087 - 23 = 12958079 is a prime.
It is a Chen prime.
It is equal to p846697 and since 12958087 and 846697 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12958027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479043 + 6479044.
It is an arithmetic number, because the mean of its divisors is an integer number (6479044).
Almost surely, 212958087 is an apocalyptic number.
12958087 is a deficient number, since it is larger than the sum of its proper divisors (1).
12958087 is an equidigital number, since it uses as much as digits as its factorization.
12958087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40320, while the sum is 40.
The square root of 12958087 is about 3599.7342957502. The cubic root of 12958087 is about 234.8805005838.
The spelling of 12958087 in words is "twelve million, nine hundred fifty-eight thousand, eighty-seven".
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