Base | Representation |
---|---|
bin | 110000010000… |
… | …010110111010 |
3 | 212210200102100 |
4 | 300100112322 |
5 | 11214244124 |
6 | 1131044230 |
7 | 212344134 |
oct | 60202672 |
9 | 25720370 |
10 | 12649914 |
11 | 7160082 |
12 | 42a0676 |
13 | 280ba74 |
14 | 1974054 |
15 | 119d1c9 |
hex | c105ba |
12649914 has 12 divisors (see below), whose sum is σ = 27408186. Its totient is φ = 4216632.
The previous prime is 12649913. The next prime is 12649919. The reversal of 12649914 is 41994621.
It is a happy number.
12649914 is a `hidden beast` number, since 1 + 2 + 649 + 9 + 1 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 6671889 + 5978025 = 2583^2 + 2445^2 .
It is not an unprimeable number, because it can be changed into a prime (12649913) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351369 + ... + 351404.
Almost surely, 212649914 is an apocalyptic number.
12649914 is an abundant number, since it is smaller than the sum of its proper divisors (14758272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12649914 is a wasteful number, since it uses less digits than its factorization.
12649914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702781 (or 702778 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 12649914 is about 3556.6717588217. The cubic root of 12649914 is about 233.0035427142.
The spelling of 12649914 in words is "twelve million, six hundred forty-nine thousand, nine hundred fourteen".
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