Base | Representation |
---|---|
bin | 110001011011… |
… | …110001101001 |
3 | 220101101011111 |
4 | 301123301221 |
5 | 11304140300 |
6 | 1141430321 |
7 | 215101555 |
oct | 61336151 |
9 | 26341144 |
10 | 12958825 |
11 | 7351180 |
12 | 440b3a1 |
13 | 28b9559 |
14 | 1a14865 |
15 | 120e9ba |
hex | c5bc69 |
12958825 has 12 divisors (see below), whose sum is σ = 17530128. Its totient is φ = 9424400.
The previous prime is 12958807. The next prime is 12958859. The reversal of 12958825 is 52885921.
It is not a de Polignac number, because 12958825 - 29 = 12958313 is a prime.
It is a super-2 number, since 2×129588252 = 335862290761250, which contains 22 as substring.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 23287 + ... + 23836.
It is an arithmetic number, because the mean of its divisors is an integer number (1460844).
Almost surely, 212958825 is an apocalyptic number.
It is an amenable number.
12958825 is a deficient number, since it is larger than the sum of its proper divisors (4571303).
12958825 is a wasteful number, since it uses less digits than its factorization.
12958825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47144 (or 47139 counting only the distinct ones).
The product of its digits is 57600, while the sum is 40.
The square root of 12958825 is about 3599.8368018564. The cubic root of 12958825 is about 234.8849595373.
The spelling of 12958825 in words is "twelve million, nine hundred fifty-eight thousand, eight hundred twenty-five".
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