Base | Representation |
---|---|
bin | 110001011011… |
… | …011000011000 |
3 | 220101021221121 |
4 | 301123120120 |
5 | 11304112313 |
6 | 1141415024 |
7 | 215064055 |
oct | 61333030 |
9 | 26337847 |
10 | 12957208 |
11 | 734aa40 |
12 | 440a474 |
13 | 28b88b4 |
14 | 1a1402c |
15 | 120e28d |
hex | c5b618 |
12957208 has 32 divisors (see below), whose sum is σ = 26879760. Its totient is φ = 5806080.
The previous prime is 12957151. The next prime is 12957209. The reversal of 12957208 is 80275921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12957209) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 5416 + ... + 7432.
Almost surely, 212957208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12957208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13439880).
12957208 is an abundant number, since it is smaller than the sum of its proper divisors (13922552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12957208 is a wasteful number, since it uses less digits than its factorization.
12957208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2107 (or 2103 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 12957208 is about 3599.6122013350. The cubic root of 12957208 is about 234.8751894957.
The spelling of 12957208 in words is "twelve million, nine hundred fifty-seven thousand, two hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •