Base | Representation |
---|---|
bin | 101111101010… |
… | …100010000011 |
3 | 212111210220000 |
4 | 233222202003 |
5 | 11144314404 |
6 | 1123451043 |
7 | 211130340 |
oct | 57524203 |
9 | 25453800 |
10 | 12494979 |
11 | 7064732 |
12 | 4226a83 |
13 | 27863a3 |
14 | 19337c7 |
15 | 116c339 |
hex | bea883 |
12494979 has 20 divisors (see below), whose sum is σ = 21332784. Its totient is φ = 7139664.
The previous prime is 12494947. The next prime is 12494987. The reversal of 12494979 is 97949421.
It is a happy number.
12494979 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12494979 - 25 = 12494947 is a prime.
It is a super-2 number, since 2×124949792 = 312249000420882, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12494479) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10452 + ... + 11585.
Almost surely, 212494979 is an apocalyptic number.
12494979 is a deficient number, since it is larger than the sum of its proper divisors (8837805).
12494979 is an equidigital number, since it uses as much as digits as its factorization.
12494979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22056 (or 22047 counting only the distinct ones).
The product of its digits is 163296, while the sum is 45.
The square root of 12494979 is about 3534.8237579829. The cubic root of 12494979 is about 232.0483636291.
The spelling of 12494979 in words is "twelve million, four hundred ninety-four thousand, nine hundred seventy-nine".
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