Base | Representation |
---|---|
bin | 101110000000… |
… | …110010111111 |
3 | 211200210210120 |
4 | 232000302333 |
5 | 11041440022 |
6 | 1110310023 |
7 | 204344565 |
oct | 56006277 |
9 | 24623716 |
10 | 12061887 |
11 | 6899302 |
12 | 4058313 |
13 | 2664216 |
14 | 185da35 |
15 | 10d3d5c |
hex | b80cbf |
12061887 has 8 divisors (see below), whose sum is σ = 16456704. Its totient is φ = 7854168.
The previous prime is 12061879. The next prime is 12061919. The reversal of 12061887 is 78816021.
It is a happy number.
12061887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12061887 - 23 = 12061879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12061807) 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 7 ways as a sum of consecutive naturals, for example, 46623 + ... + 46880.
It is an arithmetic number, because the mean of its divisors is an integer number (2057088).
Almost surely, 212061887 is an apocalyptic number.
12061887 is a deficient number, since it is larger than the sum of its proper divisors (4394817).
12061887 is an equidigital number, since it uses as much as digits as its factorization.
12061887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93549.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 12061887 is about 3473.0227468302. The cubic root of 12061887 is about 229.3357456949.
It can be divided in two parts, 1206 and 1887, that multiplied together give a palindrome (2275722).
The spelling of 12061887 in words is "twelve million, sixty-one thousand, eight hundred eighty-seven".
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