Base | Representation |
---|---|
bin | 110001000010… |
… | …011011001010 |
3 | 220012002201121 |
4 | 301002123022 |
5 | 11242324421 |
6 | 1135305454 |
7 | 214160044 |
oct | 61023312 |
9 | 26162647 |
10 | 12854986 |
11 | 7290161 |
12 | 437b28a |
13 | 2881201 |
14 | 19c8a94 |
15 | 11ddd41 |
hex | c426ca |
12854986 has 4 divisors (see below), whose sum is σ = 19282482. Its totient is φ = 6427492.
The previous prime is 12854971. The next prime is 12855013. The reversal of 12854986 is 68945821.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68945821 = 7 ⋅9849403.
It can be written as a sum of positive squares in only one way, i.e., 8590761 + 4264225 = 2931^2 + 2065^2 .
It is a pancake number, because a pancake can be divided into 12854986 parts by 5070 straight cuts.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213745 + ... + 3213748.
Almost surely, 212854986 is an apocalyptic number.
12854986 is a deficient number, since it is larger than the sum of its proper divisors (6427496).
12854986 is an equidigital number, since it uses as much as digits as its factorization.
12854986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6427495.
The product of its digits is 138240, while the sum is 43.
The square root of 12854986 is about 3585.3850560295. The cubic root of 12854986 is about 234.2558989777.
The spelling of 12854986 in words is "twelve million, eight hundred fifty-four thousand, nine hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •