Base | Representation |
---|---|
bin | 110000100100… |
… | …000101000100 |
3 | 212221210020010 |
4 | 300210011010 |
5 | 11224340232 |
6 | 1132510220 |
7 | 213131502 |
oct | 60440504 |
9 | 25853203 |
10 | 12730692 |
11 | 7205837 |
12 | 431b370 |
13 | 2839770 |
14 | 1995672 |
15 | 11b70cc |
hex | c24144 |
12730692 has 48 divisors (see below), whose sum is σ = 32426240. Its totient is φ = 3863808.
The previous prime is 12730691. The next prime is 12730717. The reversal of 12730692 is 29603721.
It is not an unprimeable number, because it can be changed into a prime (12730691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11808 + ... + 12840.
Almost surely, 212730692 is an apocalyptic number.
12730692 is a gapful number since it is divisible by the number (12) 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 12730692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16213120).
12730692 is an abundant number, since it is smaller than the sum of its proper divisors (19695548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12730692 is a wasteful number, since it uses less digits than its factorization.
12730692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 12730692 is about 3568.0095291353. The cubic root of 12730692 is about 233.4984509279.
The spelling of 12730692 in words is "twelve million, seven hundred thirty thousand, six hundred ninety-two".
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