Base | Representation |
---|---|
bin | 110000011110… |
… | …100111111001 |
3 | 212220122120110 |
4 | 300132213321 |
5 | 11223131340 |
6 | 1132214533 |
7 | 213006366 |
oct | 60364771 |
9 | 25818513 |
10 | 12708345 |
11 | 719aa71 |
12 | 430a449 |
13 | 282c540 |
14 | 198b46d |
15 | 11b0680 |
hex | c1e9f9 |
12708345 has 16 divisors (see below), whose sum is σ = 21897792. Its totient is φ = 6256320.
The previous prime is 12708337. The next prime is 12708373. The reversal of 12708345 is 54380721.
It is not a de Polignac number, because 12708345 - 23 = 12708337 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32391 + ... + 32780.
It is an arithmetic number, because the mean of its divisors is an integer number (1368612).
Almost surely, 212708345 is an apocalyptic number.
12708345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12708345 is a deficient number, since it is larger than the sum of its proper divisors (9189447).
12708345 is a wasteful number, since it uses less digits than its factorization.
12708345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65192.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 12708345 is about 3564.8765757036. The cubic root of 12708345 is about 233.3617459732.
The spelling of 12708345 in words is "twelve million, seven hundred eight thousand, three hundred forty-five".
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