Base | Representation |
---|---|
bin | 101110010010… |
… | …010110000000 |
3 | 211211110101112 |
4 | 232102112000 |
5 | 11101240020 |
6 | 1112022452 |
7 | 205064252 |
oct | 56222600 |
9 | 24743345 |
10 | 12133760 |
11 | 6938301 |
12 | 4091a28 |
13 | 268ab52 |
14 | 187bcd2 |
15 | 10ea2c5 |
hex | b92580 |
12133760 has 32 divisors (see below), whose sum is σ = 29008800. Its totient is φ = 4853248.
The previous prime is 12133757. The next prime is 12133769. The reversal of 12133760 is 6733121.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12133769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840 + ... + 10119.
It is an arithmetic number, because the mean of its divisors is an integer number (906525).
Almost surely, 212133760 is an apocalyptic number.
12133760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12133760 is an abundant number, since it is smaller than the sum of its proper divisors (16875040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12133760 is an equidigital number, since it uses as much as digits as its factorization.
12133760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18978 (or 18966 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 12133760 is about 3483.3547048786. The cubic root of 12133760 is about 229.7903571748.
Adding to 12133760 its reverse (6733121), we get a palindrome (18866881).
The spelling of 12133760 in words is "twelve million, one hundred thirty-three thousand, seven hundred sixty".
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