Base | Representation |
---|---|
bin | 101111111011… |
… | …101000100001 |
3 | 212122100222022 |
4 | 233323220201 |
5 | 11204040100 |
6 | 1125151225 |
7 | 211541504 |
oct | 57735041 |
9 | 25570868 |
10 | 12565025 |
11 | 7102320 |
12 | 425b515 |
13 | 27ac235 |
14 | 195113b |
15 | 1182e85 |
hex | bfba21 |
12565025 has 12 divisors (see below), whose sum is σ = 16997424. Its totient is φ = 9138000.
The previous prime is 12565019. The next prime is 12565039. The reversal of 12565025 is 52056521.
It is not a de Polignac number, because 12565025 - 24 = 12565009 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12564985 and 12565003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22571 + ... + 23120.
It is an arithmetic number, because the mean of its divisors is an integer number (1416452).
Almost surely, 212565025 is an apocalyptic number.
It is an amenable number.
12565025 is a deficient number, since it is larger than the sum of its proper divisors (4432399).
12565025 is a wasteful number, since it uses less digits than its factorization.
12565025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45712 (or 45707 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 12565025 is about 3544.7179013287. The cubic root of 12565025 is about 232.4811716360.
The spelling of 12565025 in words is "twelve million, five hundred sixty-five thousand, twenty-five".
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