Base | Representation |
---|---|
bin | 110001001010… |
… | …101100101010 |
3 | 220020211012201 |
4 | 301022230222 |
5 | 11244420444 |
6 | 1140130414 |
7 | 214360615 |
oct | 61125452 |
9 | 26224181 |
10 | 12888874 |
11 | 7303669 |
12 | 4396a0a |
13 | 289376b |
14 | 19d717c |
15 | 11e8dd4 |
hex | c4ab2a |
12888874 has 4 divisors (see below), whose sum is σ = 19333314. Its totient is φ = 6444436.
The previous prime is 12888853. The next prime is 12888917. The reversal of 12888874 is 47888821.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 9259849 + 3629025 = 3043^2 + 1905^2 .
It is a super-2 number, since 2×128888742 = 332246145975752, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222217 + ... + 3222220.
Almost surely, 212888874 is an apocalyptic number.
12888874 is a deficient number, since it is larger than the sum of its proper divisors (6444440).
12888874 is an equidigital number, since it uses as much as digits as its factorization.
12888874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6444439.
The product of its digits is 229376, while the sum is 46.
The square root of 12888874 is about 3590.1077978245. The cubic root of 12888874 is about 234.4615649187.
The spelling of 12888874 in words is "twelve million, eight hundred eighty-eight thousand, eight hundred seventy-four".
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