Base | Representation |
---|---|
bin | 110001100000… |
… | …101110111110 |
3 | 220102102000200 |
4 | 301200232332 |
5 | 11310313014 |
6 | 1142104330 |
7 | 215215020 |
oct | 61405676 |
9 | 26372020 |
10 | 12979134 |
11 | 7365463 |
12 | 441b0a6 |
13 | 28c587c |
14 | 1a1c010 |
15 | 1215a09 |
hex | c60bbe |
12979134 has 48 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 3684240.
The previous prime is 12979129. The next prime is 12979139. The reversal of 12979134 is 43197921.
It is an interprime number because it is at equal distance from previous prime (12979129) and next prime (12979139).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12979139) 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 23 ways as a sum of consecutive naturals, for example, 29899 + ... + 30329.
It is an arithmetic number, because the mean of its divisors is an integer number (673920).
Almost surely, 212979134 is an apocalyptic number.
12979134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12979134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16174080).
12979134 is an abundant number, since it is smaller than the sum of its proper divisors (19369026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12979134 is a wasteful number, since it uses less digits than its factorization.
12979134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 685 (or 682 counting only the distinct ones).
The product of its digits is 13608, while the sum is 36.
The square root of 12979134 is about 3602.6565198475. The cubic root of 12979134 is about 235.0075989696.
The spelling of 12979134 in words is "twelve million, nine hundred seventy-nine thousand, one hundred thirty-four".
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