Base | Representation |
---|---|
bin | 101110010010… |
… | …000101100100 |
3 | 211211101221120 |
4 | 232102011210 |
5 | 11101221313 |
6 | 1112013540 |
7 | 205061220 |
oct | 56220544 |
9 | 24741846 |
10 | 12132708 |
11 | 6937535 |
12 | 40912b0 |
13 | 268a523 |
14 | 187b780 |
15 | 10e9d23 |
hex | b92164 |
12132708 has 48 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 3384864.
The previous prime is 12132689. The next prime is 12132709. The reversal of 12132708 is 80723121.
It is not an unprimeable number, because it can be changed into a prime (12132709) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933 + ... + 5291.
It is an arithmetic number, because the mean of its divisors is an integer number (689920).
Almost surely, 212132708 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 12132708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16558080).
12132708 is an abundant number, since it is smaller than the sum of its proper divisors (20983452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12132708 is a wasteful number, since it uses less digits than its factorization.
12132708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3416 (or 3414 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 12132708 is about 3483.2036977472. The cubic root of 12132708 is about 229.7837160225.
Adding to 12132708 its reverse (80723121), we get a palindrome (92855829).
The spelling of 12132708 in words is "twelve million, one hundred thirty-two thousand, seven hundred eight".
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