Base | Representation |
---|---|
bin | 110001100010… |
… | …001010100000 |
3 | 220102201001122 |
4 | 301202022200 |
5 | 11311004432 |
6 | 1142151412 |
7 | 215241056 |
oct | 61421240 |
9 | 26381048 |
10 | 12984992 |
11 | 73698a9 |
12 | 4422568 |
13 | 28c8437 |
14 | 1a201d6 |
15 | 1217612 |
hex | c622a0 |
12984992 has 12 divisors (see below), whose sum is σ = 25564266. Its totient is φ = 6492480.
The previous prime is 12984989. The next prime is 12985003. The reversal of 12984992 is 29948921.
It can be written as a sum of positive squares in only one way, i.e., 9759376 + 3225616 = 3124^2 + 1796^2 .
It is a super-2 number, since 2×129849922 = 337220034480128, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202859 + ... + 202922.
Almost surely, 212984992 is an apocalyptic number.
It is an amenable number.
12984992 is a deficient number, since it is larger than the sum of its proper divisors (12579274).
12984992 is an equidigital number, since it uses as much as digits as its factorization.
12984992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405791 (or 405783 counting only the distinct ones).
The product of its digits is 93312, while the sum is 44.
The square root of 12984992 is about 3603.4694393043. The cubic root of 12984992 is about 235.0429497475.
The spelling of 12984992 in words is "twelve million, nine hundred eighty-four thousand, nine hundred ninety-two".
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