Base | Representation |
---|---|
bin | 110000100000… |
… | …010011000110 |
3 | 212220222222120 |
4 | 300200103012 |
5 | 11223341311 |
6 | 1132310410 |
7 | 213035400 |
oct | 60402306 |
9 | 25828876 |
10 | 12715206 |
11 | 71a5139 |
12 | 4312406 |
13 | 28326ba |
14 | 198db70 |
15 | 11b2706 |
hex | c204c6 |
12715206 has 48 divisors (see below), whose sum is σ = 30109680. Its totient is φ = 3568320.
The previous prime is 12715189. The next prime is 12715211. The reversal of 12715206 is 60251721.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17580 + ... + 18288.
It is an arithmetic number, because the mean of its divisors is an integer number (627285).
Almost surely, 212715206 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12715206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15054840).
12715206 is an abundant number, since it is smaller than the sum of its proper divisors (17394474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12715206 is a wasteful number, since it uses less digits than its factorization.
12715206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 789 (or 782 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 12715206 is about 3565.8387512618. The cubic root of 12715206 is about 233.4037343121.
Adding to 12715206 its reverse (60251721), we get a palindrome (72966927).
It can be divided in two parts, 12715 and 206, that added together give a palindrome (12921).
The spelling of 12715206 in words is "twelve million, seven hundred fifteen thousand, two hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •