Base | Representation |
---|---|
bin | 101111111110… |
… | …010101010001 |
3 | 212122221010210 |
4 | 233332111101 |
5 | 11204413311 |
6 | 1125314333 |
7 | 211615650 |
oct | 57762521 |
9 | 25587123 |
10 | 12576081 |
11 | 710a661 |
12 | 42659a9 |
13 | 27b428b |
14 | 1955197 |
15 | 11863a6 |
hex | bfe551 |
12576081 has 32 divisors (see below), whose sum is σ = 20669440. Its totient is φ = 6640704.
The previous prime is 12576059. The next prime is 12576097. The reversal of 12576081 is 18067521.
It is not a de Polignac number, because 12576081 - 29 = 12575569 is a prime.
It is a super-2 number, since 2×125760812 = 316315626637122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12576001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16791 + ... + 17523.
It is an arithmetic number, because the mean of its divisors is an integer number (645920).
Almost surely, 212576081 is an apocalyptic number.
It is an amenable number.
12576081 is a deficient number, since it is larger than the sum of its proper divisors (8093359).
12576081 is a wasteful number, since it uses less digits than its factorization.
12576081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805.
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 12576081 is about 3546.2770619341. The cubic root of 12576081 is about 232.5493385869.
The spelling of 12576081 in words is "twelve million, five hundred seventy-six thousand, eighty-one".
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