Base | Representation |
---|---|
bin | 101110010001… |
… | …111011001111 |
3 | 211211101001002 |
4 | 232101323033 |
5 | 11101211142 |
6 | 1112010515 |
7 | 205056254 |
oct | 56217317 |
9 | 24741032 |
10 | 12132047 |
11 | 6936a94 |
12 | 4090a3b |
13 | 268a135 |
14 | 187b42b |
15 | 10e9a32 |
hex | b91ecf |
12132047 has 2 divisors, whose sum is σ = 12132048. Its totient is φ = 12132046.
The previous prime is 12132011. The next prime is 12132053. The reversal of 12132047 is 74023121.
It is a strong prime.
It is an emirp because it is prime and its reverse (74023121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12132047 - 216 = 12066511 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12132097) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066023 + 6066024.
It is an arithmetic number, because the mean of its divisors is an integer number (6066024).
Almost surely, 212132047 is an apocalyptic number.
12132047 is a deficient number, since it is larger than the sum of its proper divisors (1).
12132047 is an equidigital number, since it uses as much as digits as its factorization.
12132047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 12132047 is about 3483.1088125409. The cubic root of 12132047 is about 229.7795430109.
Adding to 12132047 its reverse (74023121), we get a palindrome (86155168).
The spelling of 12132047 in words is "twelve million, one hundred thirty-two thousand, forty-seven".
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