Base | Representation |
---|---|
bin | 101111011111… |
… | …110000100111 |
3 | 212102120100210 |
4 | 233133300213 |
5 | 11141411410 |
6 | 1122510503 |
7 | 210554604 |
oct | 57376047 |
9 | 25376323 |
10 | 12450855 |
11 | 703456a |
12 | 4205433 |
13 | 276c291 |
14 | 19216ab |
15 | 115e220 |
hex | bdfc27 |
12450855 has 16 divisors (see below), whose sum is σ = 20006784. Its totient is φ = 6612000.
The previous prime is 12450853. The next prime is 12450859. The reversal of 12450855 is 55805421.
12450855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12450855 - 21 = 12450853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12450853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112 + ... + 5418.
It is an arithmetic number, because the mean of its divisors is an integer number (1250424).
Almost surely, 212450855 is an apocalyptic number.
12450855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12450855 is a deficient number, since it is larger than the sum of its proper divisors (7555929).
12450855 is a wasteful number, since it uses less digits than its factorization.
12450855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3566.
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 12450855 is about 3528.5769086134. The cubic root of 12450855 is about 231.7748943675.
The spelling of 12450855 in words is "twelve million, four hundred fifty thousand, eight hundred fifty-five".
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