Base | Representation |
---|---|
bin | 110001011010… |
… | …101000001000 |
3 | 220101010201020 |
4 | 301122220020 |
5 | 11304012440 |
6 | 1141352440 |
7 | 215052054 |
oct | 61325010 |
9 | 26333636 |
10 | 12954120 |
11 | 7348693 |
12 | 4408720 |
13 | 28b737a |
14 | 1a12c64 |
15 | 120d3d0 |
hex | c5aa08 |
12954120 has 32 divisors (see below), whose sum is σ = 38862720. Its totient is φ = 3454400.
The previous prime is 12954091. The next prime is 12954121. The reversal of 12954120 is 2145921.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (12954121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53856 + ... + 54095.
It is an arithmetic number, because the mean of its divisors is an integer number (1214460).
Almost surely, 212954120 is an apocalyptic number.
12954120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12954120 is an abundant number, since it is smaller than the sum of its proper divisors (25908600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12954120 is a wasteful number, since it uses less digits than its factorization.
12954120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107965 (or 107961 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 12954120 is about 3599.1832406811. The cubic root of 12954120 is about 234.8565292974.
The spelling of 12954120 in words is "twelve million, nine hundred fifty-four thousand, one hundred twenty".
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