Base | Representation |
---|---|
bin | 101111011000… |
… | …011000000000 |
3 | 212101000212112 |
4 | 233120120000 |
5 | 11134424413 |
6 | 1122114452 |
7 | 210400454 |
oct | 57303000 |
9 | 25330775 |
10 | 12420608 |
11 | 7013872 |
12 | 41aba28 |
13 | 275b595 |
14 | 1914664 |
15 | 11552a8 |
hex | bd8600 |
12420608 has 40 divisors (see below), whose sum is σ = 26295192. Its totient is φ = 5840896.
The previous prime is 12420607. The next prime is 12420619. The reversal of 12420608 is 80602421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12420607) 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, 7991 + ... + 9417.
Almost surely, 212420608 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 12420608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13147596).
12420608 is an abundant number, since it is smaller than the sum of its proper divisors (13874584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12420608 is an equidigital number, since it uses as much as digits as its factorization.
12420608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1462 (or 1446 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 12420608 is about 3524.2882969473. The cubic root of 12420608 is about 231.5870577412.
The spelling of 12420608 in words is "twelve million, four hundred twenty thousand, six hundred eight".
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