Base | Representation |
---|---|
bin | 110001001001… |
… | …111110111110 |
3 | 220020200012102 |
4 | 301021332332 |
5 | 11244322300 |
6 | 1140105102 |
7 | 214346240 |
oct | 61117676 |
9 | 26220172 |
10 | 12885950 |
11 | 7301450 |
12 | 4395192 |
13 | 289232c |
14 | 19d6090 |
15 | 11e80d5 |
hex | c49fbe |
12885950 has 48 divisors (see below), whose sum is σ = 29890944. Its totient is φ = 4015200.
The previous prime is 12885941. The next prime is 12885959. The reversal of 12885950 is 5958821.
It is an interprime number because it is at equal distance from previous prime (12885941) and next prime (12885959).
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12885959) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2177 + ... + 5523.
It is an arithmetic number, because the mean of its divisors is an integer number (622728).
Almost surely, 212885950 is an apocalyptic number.
12885950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12885950 is an abundant number, since it is smaller than the sum of its proper divisors (17004994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12885950 is a wasteful number, since it uses less digits than its factorization.
12885950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3377 (or 3372 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 38.
The square root of 12885950 is about 3589.7005446137. The cubic root of 12885950 is about 234.4438334120.
The spelling of 12885950 in words is "twelve million, eight hundred eighty-five thousand, nine hundred fifty".
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