Base | Representation |
---|---|
bin | 110001011110… |
… | …011000101000 |
3 | 220101220211022 |
4 | 301132120220 |
5 | 11310011022 |
6 | 1141552012 |
7 | 215144663 |
oct | 61363050 |
9 | 26356738 |
10 | 12969512 |
11 | 7359206 |
12 | 4415608 |
13 | 28c138a |
14 | 1a186da |
15 | 1212c42 |
hex | c5e628 |
12969512 has 16 divisors (see below), whose sum is σ = 24360000. Its totient is φ = 6473520.
The previous prime is 12969491. The next prime is 12969547. The reversal of 12969512 is 21596921.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5489 + ... + 7487.
It is an arithmetic number, because the mean of its divisors is an integer number (1522500).
Almost surely, 212969512 is an apocalyptic number.
It is an amenable number.
12969512 is a deficient number, since it is larger than the sum of its proper divisors (11390488).
12969512 is a wasteful number, since it uses less digits than its factorization.
12969512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2816 (or 2812 counting only the distinct ones).
The product of its digits is 9720, while the sum is 35.
The square root of 12969512 is about 3601.3208687924. The cubic root of 12969512 is about 234.9495108071.
The spelling of 12969512 in words is "twelve million, nine hundred sixty-nine thousand, five hundred twelve".
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