Base | Representation |
---|---|
bin | 110001010110… |
… | …110011111110 |
3 | 220100100021111 |
4 | 301112303332 |
5 | 11303012434 |
6 | 1141152234 |
7 | 214655362 |
oct | 61266376 |
9 | 26310244 |
10 | 12938494 |
11 | 7337978 |
12 | 43bb67a |
13 | 28b021a |
14 | 1a0b2a2 |
15 | 1208964 |
hex | c56cfe |
12938494 has 4 divisors (see below), whose sum is σ = 19407744. Its totient is φ = 6469246.
The previous prime is 12938483. The next prime is 12938503. The reversal of 12938494 is 49483921.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234622 + ... + 3234625.
It is an arithmetic number, because the mean of its divisors is an integer number (4851936).
Almost surely, 212938494 is an apocalyptic number.
12938494 is a deficient number, since it is larger than the sum of its proper divisors (6469250).
12938494 is an equidigital number, since it uses as much as digits as its factorization.
12938494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6469249.
The product of its digits is 62208, while the sum is 40.
The square root of 12938494 is about 3597.0118153823. The cubic root of 12938494 is about 234.7620588453.
The spelling of 12938494 in words is "twelve million, nine hundred thirty-eight thousand, four hundred ninety-four".
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