Base | Representation |
---|---|
bin | 110001011111… |
… | …001110001000 |
3 | 220102002112010 |
4 | 301133032020 |
5 | 11310113221 |
6 | 1142015520 |
7 | 215160654 |
oct | 61371610 |
9 | 26362463 |
10 | 12972936 |
11 | 7360839 |
12 | 44175a0 |
13 | 28c2ac2 |
14 | 1a19a64 |
15 | 1213c76 |
hex | c5f388 |
12972936 has 16 divisors (see below), whose sum is σ = 32432400. Its totient is φ = 4324304.
The previous prime is 12972929. The next prime is 12972937. The reversal of 12972936 is 63927921.
12972936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12972894 and 12972903.
It is not an unprimeable number, because it can be changed into a prime (12972937) 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, 270246 + ... + 270293.
It is an arithmetic number, because the mean of its divisors is an integer number (2027025).
Almost surely, 212972936 is an apocalyptic number.
It is an amenable number.
12972936 is an abundant number, since it is smaller than the sum of its proper divisors (19459464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12972936 is a wasteful number, since it uses less digits than its factorization.
12972936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540548 (or 540544 counting only the distinct ones).
The product of its digits is 40824, while the sum is 39.
The square root of 12972936 is about 3601.7962185554. The cubic root of 12972936 is about 234.9701848397.
The spelling of 12972936 in words is "twelve million, nine hundred seventy-two thousand, nine hundred thirty-six".
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