Base | Representation |
---|---|
bin | 110001001001… |
… | …001111001000 |
3 | 220020112000000 |
4 | 301021033020 |
5 | 11244223023 |
6 | 1140043000 |
7 | 214334304 |
oct | 61111710 |
9 | 26215000 |
10 | 12882888 |
11 | 72aa117 |
12 | 4393460 |
13 | 2890b15 |
14 | 19d4d04 |
15 | 11e7243 |
hex | c493c8 |
12882888 has 84 divisors (see below), whose sum is σ = 37003515. Its totient is φ = 4202928.
The previous prime is 12882847. The next prime is 12882901. The reversal of 12882888 is 88828821.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 6441444 + 6441444 = 2538^2 + 2538^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=2538.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 274081 + ... + 274127.
Almost surely, 212882888 is an apocalyptic number.
12882888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12882888
12882888 is an abundant number, since it is smaller than the sum of its proper divisors (24120627).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12882888 is an frugal number, since it uses more digits than its factorization.
12882888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118 (or 52 counting only the distinct ones).
The product of its digits is 131072, while the sum is 45.
The square root of 12882888 is about 3589.2740213029. The cubic root of 12882888 is about 234.4252621804.
Multiplying 12882888 by its product of digits (131072), we get a square (1688585895936 = 12994562).
The spelling of 12882888 in words is "twelve million, eight hundred eighty-two thousand, eight hundred eighty-eight".
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