Base | Representation |
---|---|
bin | 110000011110… |
… | …110110000000 |
3 | 212220200210220 |
4 | 300132312000 |
5 | 11223143443 |
6 | 1132223040 |
7 | 213012126 |
oct | 60366600 |
9 | 25820726 |
10 | 12709248 |
11 | 71a0712 |
12 | 430aa80 |
13 | 282ca86 |
14 | 198b916 |
15 | 11b0a83 |
hex | c1ed80 |
12709248 has 64 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 4049408.
The previous prime is 12709237. The next prime is 12709261. The reversal of 12709248 is 84290721.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8113 + ... + 9551.
It is an arithmetic number, because the mean of its divisors is an integer number (550800).
Almost surely, 212709248 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 12709248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17625600).
12709248 is an abundant number, since it is smaller than the sum of its proper divisors (22541952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12709248 is a wasteful number, since it uses less digits than its factorization.
12709248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1479 (or 1467 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 12709248 is about 3565.0032258050. The cubic root of 12709248 is about 233.3672730676.
Adding to 12709248 its reverse (84290721), we get a palindrome (96999969).
The spelling of 12709248 in words is "twelve million, seven hundred nine thousand, two hundred forty-eight".
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