Base | Representation |
---|---|
bin | 101111011100… |
… | …110101011100 |
3 | 212101221221010 |
4 | 233130311130 |
5 | 11141021001 |
6 | 1122335220 |
7 | 210504642 |
oct | 57346534 |
9 | 25357833 |
10 | 12438876 |
11 | 702656a |
12 | 41ba510 |
13 | 27669a8 |
14 | 191b192 |
15 | 115a8d6 |
hex | bdcd5c |
12438876 has 24 divisors (see below), whose sum is σ = 29501584. Its totient is φ = 4078080.
The previous prime is 12438871. The next prime is 12438887. The reversal of 12438876 is 67883421.
It is a super-2 number, since 2×124388762 = 309451272286752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12438871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7765 + ... + 9228.
Almost surely, 212438876 is an apocalyptic number.
It is an amenable number.
12438876 is an abundant number, since it is smaller than the sum of its proper divisors (17062708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12438876 is a wasteful number, since it uses less digits than its factorization.
12438876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17061 (or 17059 counting only the distinct ones).
The product of its digits is 64512, while the sum is 39.
The square root of 12438876 is about 3526.8790736287. The cubic root of 12438876 is about 231.7005401073.
The spelling of 12438876 in words is "twelve million, four hundred thirty-eight thousand, eight hundred seventy-six".
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