Base | Representation |
---|---|
bin | 101111010010… |
… | …101000010000 |
3 | 212022211120211 |
4 | 233102220100 |
5 | 11133201242 |
6 | 1121413504 |
7 | 210242032 |
oct | 57225020 |
9 | 25284524 |
10 | 12397072 |
11 | 6aa8116 |
12 | 419a294 |
13 | 275095c |
14 | 1909c52 |
15 | 114d317 |
hex | bd2a10 |
12397072 has 40 divisors (see below), whose sum is σ = 25294016. Its totient is φ = 5878656.
The previous prime is 12397067. The next prime is 12397081. The reversal of 12397072 is 27079321.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25213 + ... + 25699.
Almost surely, 212397072 is an apocalyptic number.
It is an amenable number.
12397072 is an abundant number, since it is smaller than the sum of its proper divisors (12896944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12397072 is a wasteful number, since it uses less digits than its factorization.
12397072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575 (or 569 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 31.
The square root of 12397072 is about 3520.9475997237. The cubic root of 12397072 is about 231.4406859627.
The spelling of 12397072 in words is "twelve million, three hundred ninety-seven thousand, seventy-two".
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