Base | Representation |
---|---|
bin | 101110000110… |
… | …111111100101 |
3 | 211202002121122 |
4 | 232012333211 |
5 | 11043243034 |
6 | 1111023325 |
7 | 204511565 |
oct | 56067745 |
9 | 24662548 |
10 | 12087269 |
11 | 6906387 |
12 | 406ab45 |
13 | 267293c |
14 | 1868da5 |
15 | 10db62e |
hex | b86fe5 |
12087269 has 8 divisors (see below), whose sum is σ = 12337920. Its totient is φ = 11838816.
The previous prime is 12087263. The next prime is 12087281. The reversal of 12087269 is 96278021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12087269 - 28 = 12087013 is a prime.
It is a super-2 number, since 2×120872692 = 292204143756722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12087263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14537 + ... + 15345.
It is an arithmetic number, because the mean of its divisors is an integer number (1542240).
Almost surely, 212087269 is an apocalyptic number.
It is an amenable number.
12087269 is a deficient number, since it is larger than the sum of its proper divisors (250651).
12087269 is an equidigital number, since it uses as much as digits as its factorization.
12087269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1099.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 12087269 is about 3476.6749920003. The cubic root of 12087269 is about 229.4964978114.
The spelling of 12087269 in words is "twelve million, eighty-seven thousand, two hundred sixty-nine".
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