Base | Representation |
---|---|
bin | 110001001110… |
… | …101100010011 |
3 | 220021122122200 |
4 | 301032230103 |
5 | 11300431420 |
6 | 1140334243 |
7 | 214456410 |
oct | 61165423 |
9 | 26248580 |
10 | 12905235 |
11 | 7314992 |
12 | 43a4383 |
13 | 289b045 |
14 | 19dd107 |
15 | 11edb90 |
hex | c4eb13 |
12905235 has 48 divisors (see below), whose sum is σ = 26080704. Its totient is φ = 5780736.
The previous prime is 12905219. The next prime is 12905251. The reversal of 12905235 is 53250921.
12905235 is nontrivially palindromic in base 4.
12905235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12905219) and next prime (12905251).
It is not a de Polignac number, because 12905235 - 24 = 12905219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12905199 and 12905208.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16309 + ... + 17081.
It is an arithmetic number, because the mean of its divisors is an integer number (543348).
Almost surely, 212905235 is an apocalyptic number.
12905235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12905235 is an abundant number, since it is smaller than the sum of its proper divisors (13175469).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12905235 is a wasteful number, since it uses less digits than its factorization.
12905235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844 (or 841 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 12905235 is about 3592.3856975553. The cubic root of 12905235 is about 234.5607306454.
The spelling of 12905235 in words is "twelve million, nine hundred five thousand, two hundred thirty-five".
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