Base | Representation |
---|---|
bin | 110000110110… |
… | …110101001000 |
3 | 220002200120201 |
4 | 300312311020 |
5 | 11234314441 |
6 | 1134301544 |
7 | 213601432 |
oct | 60666510 |
9 | 26080521 |
10 | 12807496 |
11 | 7258509 |
12 | 43578b4 |
13 | 2865700 |
14 | 19b5652 |
15 | 11cec31 |
hex | c36d48 |
12807496 has 24 divisors (see below), whose sum is σ = 26006130. Its totient is φ = 5910528.
The previous prime is 12807491. The next prime is 12807497. The reversal of 12807496 is 69470821.
It can be written as a sum of positive squares in 3 ways, for example, as 10150596 + 2656900 = 3186^2 + 1630^2 .
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (12807491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3385 + ... + 6088.
Almost surely, 212807496 is an apocalyptic number.
It is an amenable number.
12807496 is an abundant number, since it is smaller than the sum of its proper divisors (13198634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12807496 is a wasteful number, since it uses less digits than its factorization.
12807496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9505 (or 9488 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 12807496 is about 3578.7562085171. The cubic root of 12807496 is about 233.9670735564.
The spelling of 12807496 in words is "twelve million, eight hundred seven thousand, four hundred ninety-six".
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