Base | Representation |
---|---|
bin | 110000000000… |
… | …000111100101 |
3 | 212200022011202 |
4 | 300000013211 |
5 | 11210132042 |
6 | 1125412245 |
7 | 211646201 |
oct | 60000745 |
9 | 25608152 |
10 | 12583397 |
11 | 7115102 |
12 | 426a085 |
13 | 27b76c8 |
14 | 1957b01 |
15 | 1188632 |
hex | c001e5 |
12583397 has 2 divisors, whose sum is σ = 12583398. Its totient is φ = 12583396.
The previous prime is 12583379. The next prime is 12583409. The reversal of 12583397 is 79338521.
Together with previous prime (12583379) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10042561 + 2540836 = 3169^2 + 1594^2 .
It is a cyclic number.
It is not a de Polignac number, because 12583397 - 222 = 8389093 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12583397.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12583327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6291698 + 6291699.
It is an arithmetic number, because the mean of its divisors is an integer number (6291699).
Almost surely, 212583397 is an apocalyptic number.
It is an amenable number.
12583397 is a deficient number, since it is larger than the sum of its proper divisors (1).
12583397 is an equidigital number, since it uses as much as digits as its factorization.
12583397 is an evil number, because the sum of its binary digits is even.
The product of its digits is 45360, while the sum is 38.
The square root of 12583397 is about 3547.3084162503. The cubic root of 12583397 is about 232.5944242050.
It can be divided in two parts, 1258 and 3397, that multiplied together give a triangular number (4273426 = T2923).
The spelling of 12583397 in words is "twelve million, five hundred eighty-three thousand, three hundred ninety-seven".
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