Base | Representation |
---|---|
bin | 110000101010… |
… | …010111110110 |
3 | 220000002120212 |
4 | 300222113312 |
5 | 11231201340 |
6 | 1133225422 |
7 | 213266606 |
oct | 60522766 |
9 | 26002525 |
10 | 12756470 |
11 | 7223141 |
12 | 4332272 |
13 | 284840c |
14 | 19a0c06 |
15 | 11bea65 |
hex | c2a5f6 |
12756470 has 16 divisors (see below), whose sum is σ = 23200128. Its totient is φ = 5049600.
The previous prime is 12756463. The next prime is 12756473. The reversal of 12756470 is 7465721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12756473) 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 7 ways as a sum of consecutive naturals, for example, 5606 + ... + 7545.
It is an arithmetic number, because the mean of its divisors is an integer number (1450008).
Almost surely, 212756470 is an apocalyptic number.
12756470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12756470 is a deficient number, since it is larger than the sum of its proper divisors (10443658).
12756470 is a wasteful number, since it uses less digits than its factorization.
12756470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13255.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 12756470 is about 3571.6200805797. The cubic root of 12756470 is about 233.6559460320.
The spelling of 12756470 in words is "twelve million, seven hundred fifty-six thousand, four hundred seventy".
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