Base | Representation |
---|---|
bin | 110000111110… |
… | …010011001111 |
3 | 220011020120000 |
4 | 300332103033 |
5 | 11241304340 |
6 | 1135055343 |
7 | 214056564 |
oct | 60762317 |
9 | 26136500 |
10 | 12838095 |
11 | 72794a6 |
12 | 4371553 |
13 | 287660a |
14 | 19c286b |
15 | 11d8d30 |
hex | c3e4cf |
12838095 has 20 divisors (see below), whose sum is σ = 23014200. Its totient is φ = 6846768.
The previous prime is 12838079. The next prime is 12838103. The reversal of 12838095 is 59083821.
It is not a de Polignac number, because 12838095 - 24 = 12838079 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15445 + ... + 16254.
It is an arithmetic number, because the mean of its divisors is an integer number (1150710).
Almost surely, 212838095 is an apocalyptic number.
12838095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12838095 is a deficient number, since it is larger than the sum of its proper divisors (10176105).
12838095 is an equidigital number, since it uses as much as digits as its factorization.
12838095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31716 (or 31707 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 12838095 is about 3583.0287467449. The cubic root of 12838095 is about 234.1532526661.
The spelling of 12838095 in words is "twelve million, eight hundred thirty-eight thousand, ninety-five".
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