Base | Representation |
---|---|
bin | 110001001101… |
… | …011001111000 |
3 | 220021101102022 |
4 | 301031121320 |
5 | 11300244320 |
6 | 1140254012 |
7 | 214435133 |
oct | 61153170 |
9 | 26241368 |
10 | 12899960 |
11 | 7310a27 |
12 | 43a1308 |
13 | 2898818 |
14 | 19db21a |
15 | 11ec325 |
hex | c4d678 |
12899960 has 32 divisors (see below), whose sum is σ = 29127600. Its totient is φ = 5141760.
The previous prime is 12899959. The next prime is 12899977. The reversal of 12899960 is 6999821.
12899960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20531 + ... + 21149.
Almost surely, 212899960 is an apocalyptic number.
12899960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12899960 is an abundant number, since it is smaller than the sum of its proper divisors (16227640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12899960 is a wasteful number, since it uses less digits than its factorization.
12899960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1151 (or 1147 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 44.
The square root of 12899960 is about 3591.6514307488. The cubic root of 12899960 is about 234.5287674802.
The spelling of 12899960 in words is "twelve million, eight hundred ninety-nine thousand, nine hundred sixty".
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