Base | Representation |
---|---|
bin | 101110001111… |
… | …101101100000 |
3 | 211210220121010 |
4 | 232033231200 |
5 | 11100413401 |
6 | 1111500520 |
7 | 205020645 |
oct | 56175540 |
9 | 24726533 |
10 | 12122976 |
11 | 6930198 |
12 | 4087740 |
13 | 2685c78 |
14 | 1877dcc |
15 | 10e6ed6 |
hex | b8fb60 |
12122976 has 48 divisors (see below), whose sum is σ = 32692464. Its totient is φ = 3930624.
The previous prime is 12122941. The next prime is 12122977. The reversal of 12122976 is 67922121.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122977) 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 7 ways as a sum of consecutive naturals, for example, 1846 + ... + 5258.
It is an arithmetic number, because the mean of its divisors is an integer number (681093).
Almost surely, 212122976 is an apocalyptic number.
12122976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12122976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16346232).
12122976 is an abundant number, since it is smaller than the sum of its proper divisors (20569488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12122976 is a wasteful number, since it uses less digits than its factorization.
12122976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3463 (or 3455 counting only the distinct ones).
The product of its digits is 3024, while the sum is 30.
The square root of 12122976 is about 3481.8064277039. The cubic root of 12122976 is about 229.7222608411.
The spelling of 12122976 in words is "twelve million, one hundred twenty-two thousand, nine hundred seventy-six".
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