Base | Representation |
---|---|
bin | 110000010111… |
… | …110011110001 |
3 | 212212020021200 |
4 | 300113303301 |
5 | 11221233213 |
6 | 1131441413 |
7 | 212532123 |
oct | 60276361 |
9 | 25766250 |
10 | 12680433 |
11 | 7180aa7 |
12 | 42b6269 |
13 | 281c91c |
14 | 1981213 |
15 | 11a7273 |
hex | c17cf1 |
12680433 has 12 divisors (see below), whose sum is σ = 18495360. Its totient is φ = 8370936.
The previous prime is 12680431. The next prime is 12680441. The reversal of 12680433 is 33408621.
It is a happy number.
It is not a de Polignac number, because 12680433 - 21 = 12680431 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12680397 and 12680406.
It is not an unprimeable number, because it can be changed into a prime (12680431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5913 + ... + 7766.
It is an arithmetic number, because the mean of its divisors is an integer number (1541280).
Almost surely, 212680433 is an apocalyptic number.
It is an amenable number.
12680433 is a deficient number, since it is larger than the sum of its proper divisors (5814927).
12680433 is a wasteful number, since it uses less digits than its factorization.
12680433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13788 (or 13785 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 12680433 is about 3560.9595616912. The cubic root of 12680433 is about 233.1907725539.
The spelling of 12680433 in words is "twelve million, six hundred eighty thousand, four hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.444 sec. • engine limits •