Base | Representation |
---|---|
bin | 110001100100… |
… | …100001111110 |
3 | 220110012100200 |
4 | 301210201332 |
5 | 11311312221 |
6 | 1142304330 |
7 | 215311245 |
oct | 61444176 |
9 | 26405320 |
10 | 12994686 |
11 | 7376111 |
12 | 44280a6 |
13 | 28cc983 |
14 | 1a2395c |
15 | 121a426 |
hex | c6487e |
12994686 has 48 divisors (see below), whose sum is σ = 29268096. Its totient is φ = 4164048.
The previous prime is 12994679. The next prime is 12994687. The reversal of 12994686 is 68649921.
It is a happy number.
12994686 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12994687) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79641 + ... + 79803.
It is an arithmetic number, because the mean of its divisors is an integer number (609752).
Almost surely, 212994686 is an apocalyptic number.
12994686 is an abundant number, since it is smaller than the sum of its proper divisors (16273410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12994686 is a wasteful number, since it uses less digits than its factorization.
12994686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317 (or 314 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 12994686 is about 3604.8142809304. The cubic root of 12994686 is about 235.1014259633.
The spelling of 12994686 in words is "twelve million, nine hundred ninety-four thousand, six hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •