Base | Representation |
---|---|
bin | 110000110110… |
… | …111100101000 |
3 | 220002201020111 |
4 | 300312330220 |
5 | 11234323401 |
6 | 1134304104 |
7 | 213603016 |
oct | 60667450 |
9 | 26081214 |
10 | 12807976 |
11 | 7258905 |
12 | 4358034 |
13 | 28659ac |
14 | 19b58b6 |
15 | 11cee51 |
hex | c36f28 |
12807976 has 16 divisors (see below), whose sum is σ = 25279200. Its totient is φ = 6066864.
The previous prime is 12807973. The next prime is 12807983. The reversal of 12807976 is 67970821.
12807976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12807973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41980 + ... + 42283.
It is an arithmetic number, because the mean of its divisors is an integer number (1579950).
Almost surely, 212807976 is an apocalyptic number.
It is an amenable number.
12807976 is a deficient number, since it is larger than the sum of its proper divisors (12471224).
12807976 is a wasteful number, since it uses less digits than its factorization.
12807976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84288 (or 84284 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 12807976 is about 3578.8232702943. The cubic root of 12807976 is about 233.9699963966.
The spelling of 12807976 in words is "twelve million, eight hundred seven thousand, nine hundred seventy-six".
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