Base | Representation |
---|---|
bin | 101110000110… |
… | …101001110101 |
3 | 211202000201002 |
4 | 232012221311 |
5 | 11043222002 |
6 | 1111013045 |
7 | 204504536 |
oct | 56065165 |
9 | 24660632 |
10 | 12085877 |
11 | 6905331 |
12 | 406a185 |
13 | 267210b |
14 | 186868d |
15 | 10db002 |
hex | b86a75 |
12085877 has 4 divisors (see below), whose sum is σ = 12475776. Its totient is φ = 11695980.
The previous prime is 12085873. The next prime is 12085883. The reversal of 12085877 is 77858021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77858021 = 61 ⋅1276361.
It is a cyclic number.
It is not a de Polignac number, because 12085877 - 22 = 12085873 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12085877.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12085873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194903 + ... + 194964.
It is an arithmetic number, because the mean of its divisors is an integer number (3118944).
Almost surely, 212085877 is an apocalyptic number.
It is an amenable number.
12085877 is a deficient number, since it is larger than the sum of its proper divisors (389899).
12085877 is an equidigital number, since it uses as much as digits as its factorization.
12085877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389898.
The product of its (nonzero) digits is 31360, while the sum is 38.
The square root of 12085877 is about 3476.4747949611. The cubic root of 12085877 is about 229.4876876771.
The spelling of 12085877 in words is "twelve million, eighty-five thousand, eight hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •