Base | Representation |
---|---|
bin | 110000101000… |
… | …101001000000 |
3 | 212222201212010 |
4 | 300220221000 |
5 | 11230440001 |
6 | 1133132520 |
7 | 213240123 |
oct | 60505100 |
9 | 25881763 |
10 | 12749376 |
11 | 7218882 |
12 | 432a140 |
13 | 2845113 |
14 | 199c3ba |
15 | 11bc8d6 |
hex | c28a40 |
12749376 has 28 divisors (see below), whose sum is σ = 33733232. Its totient is φ = 4249728.
The previous prime is 12749353. The next prime is 12749393. The reversal of 12749376 is 67394721.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33010 + ... + 33393.
Almost surely, 212749376 is an apocalyptic number.
12749376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
12749376 is an abundant number, since it is smaller than the sum of its proper divisors (20983856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12749376 is an equidigital number, since it uses as much as digits as its factorization.
12749376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66418 (or 66408 counting only the distinct ones).
The product of its digits is 63504, while the sum is 39.
The square root of 12749376 is about 3570.6268357251. The cubic root of 12749376 is about 233.6126252012.
The spelling of 12749376 in words is "twelve million, seven hundred forty-nine thousand, three hundred seventy-six".
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