Base | Representation |
---|---|
bin | 101110111101… |
… | …010100100011 |
3 | 212011101212100 |
4 | 232331110203 |
5 | 11122403140 |
6 | 1115501443 |
7 | 206426421 |
oct | 56752443 |
9 | 25141770 |
10 | 12309795 |
11 | 6a48593 |
12 | 4157883 |
13 | 2720004 |
14 | 18c6111 |
15 | 1132530 |
hex | bbd523 |
12309795 has 12 divisors (see below), whose sum is σ = 21337056. Its totient is φ = 6565200.
The previous prime is 12309769. The next prime is 12309797. The reversal of 12309795 is 59790321.
It is not a de Polignac number, because 12309795 - 25 = 12309763 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12309797) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136731 + ... + 136820.
It is an arithmetic number, because the mean of its divisors is an integer number (1778088).
Almost surely, 212309795 is an apocalyptic number.
12309795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12309795 is a deficient number, since it is larger than the sum of its proper divisors (9027261).
12309795 is a wasteful number, since it uses less digits than its factorization.
12309795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273562 (or 273559 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 12309795 is about 3508.5317441916. The cubic root of 12309795 is about 230.8962822177.
It can be divided in two parts, 1230 and 9795, that added together give a square (11025 = 1052).
The spelling of 12309795 in words is "twelve million, three hundred nine thousand, seven hundred ninety-five".
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