Base | Representation |
---|---|
bin | 110001010110… |
… | …111101100100 |
3 | 220100101010020 |
4 | 301112331210 |
5 | 11303022413 |
6 | 1141155140 |
7 | 214660230 |
oct | 61267544 |
9 | 26311106 |
10 | 12939108 |
11 | 7338386 |
12 | 43bbab0 |
13 | 28b05a0 |
14 | 1a0b5c0 |
15 | 1208c23 |
hex | c56f64 |
12939108 has 144 divisors (see below), whose sum is σ = 40435584. Its totient is φ = 3133440.
The previous prime is 12939083. The next prime is 12939109. The reversal of 12939108 is 80193921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12939109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315568 + ... + 315608.
Almost surely, 212939108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12939108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217792).
12939108 is an abundant number, since it is smaller than the sum of its proper divisors (27496476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12939108 is a wasteful number, since it uses less digits than its factorization.
12939108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102 (or 83 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 12939108 is about 3597.0971629913. The cubic root of 12939108 is about 234.7657723539.
It can be divided in two parts, 1293 and 9108, that added together give a palindrome (10401).
The spelling of 12939108 in words is "twelve million, nine hundred thirty-nine thousand, one hundred eight".
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