Base | Representation |
---|---|
bin | 110001100101… |
… | …010110111000 |
3 | 220110101000002 |
4 | 301211112320 |
5 | 11311414242 |
6 | 1142332132 |
7 | 215324153 |
oct | 61452670 |
9 | 26411002 |
10 | 12998072 |
11 | 737870a |
12 | 442a048 |
13 | 2901389 |
14 | 1a24c9a |
15 | 121b432 |
hex | c655b8 |
12998072 has 16 divisors (see below), whose sum is σ = 24413400. Its totient is φ = 6487840.
The previous prime is 12998057. The next prime is 12998077. The reversal of 12998072 is 27089921.
12998072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12998077) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579 + ... + 7557.
Almost surely, 212998072 is an apocalyptic number.
It is an amenable number.
12998072 is a deficient number, since it is larger than the sum of its proper divisors (11415328).
12998072 is a wasteful number, since it uses less digits than its factorization.
12998072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2806 (or 2802 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 38.
The square root of 12998072 is about 3605.2839000556. The cubic root of 12998072 is about 235.1218441633.
The spelling of 12998072 in words is "twelve million, nine hundred ninety-eight thousand, seventy-two".
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