Base | Representation |
---|---|
bin | 110000101110… |
… | …011000000110 |
3 | 220000221002021 |
4 | 300232120012 |
5 | 11232212440 |
6 | 1133433354 |
7 | 213365455 |
oct | 60563006 |
9 | 26027067 |
10 | 12772870 |
11 | 72344a0 |
12 | 433b85a |
13 | 2852a16 |
14 | 19a6b9c |
15 | 11c484a |
hex | c2e606 |
12772870 has 32 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4585440.
The previous prime is 12772817. The next prime is 12772871. The reversal of 12772870 is 7827721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12772871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 9829.
It is an arithmetic number, because the mean of its divisors is an integer number (793800).
Almost surely, 212772870 is an apocalyptic number.
12772870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12772870 is a deficient number, since it is larger than the sum of its proper divisors (12628730).
12772870 is a wasteful number, since it uses less digits than its factorization.
12772870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500.
The product of its (nonzero) digits is 10976, while the sum is 34.
The square root of 12772870 is about 3573.9152200353. The cubic root of 12772870 is about 233.7560342366.
The spelling of 12772870 in words is "twelve million, seven hundred seventy-two thousand, eight hundred seventy".
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