Base | Representation |
---|---|
bin | 110000111010… |
… | …000010011001 |
3 | 220010100121021 |
4 | 300322002121 |
5 | 11240230013 |
6 | 1134442441 |
7 | 213654640 |
oct | 60720231 |
9 | 26110537 |
10 | 12820633 |
11 | 7267371 |
12 | 4363421 |
13 | 286b697 |
14 | 19ba357 |
15 | 11d3a8d |
hex | c3a099 |
12820633 has 8 divisors (see below), whose sum is σ = 14789952. Its totient is φ = 10885776.
The previous prime is 12820631. The next prime is 12820657. The reversal of 12820633 is 33602821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12820633 - 21 = 12820631 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12820598 and 12820607.
It is not an unprimeable number, because it can be changed into a prime (12820631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810 + ... + 9307.
It is an arithmetic number, because the mean of its divisors is an integer number (1848744).
Almost surely, 212820633 is an apocalyptic number.
It is an amenable number.
12820633 is a deficient number, since it is larger than the sum of its proper divisors (1969319).
12820633 is a wasteful number, since it uses less digits than its factorization.
12820633 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17231.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 12820633 is about 3580.5911523099. The cubic root of 12820633 is about 234.0470417027.
The spelling of 12820633 in words is "twelve million, eight hundred twenty thousand, six hundred thirty-three".
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