Base | Representation |
---|---|
bin | 101110111010… |
… | …001100010101 |
3 | 212010202021202 |
4 | 232322030111 |
5 | 11122000411 |
6 | 1115322245 |
7 | 206344154 |
oct | 56721425 |
9 | 25122252 |
10 | 12296981 |
11 | 6a399a4 |
12 | 4150385 |
13 | 2717228 |
14 | 18c159b |
15 | 112d83b |
hex | bba315 |
12296981 has 8 divisors (see below), whose sum is σ = 12493824. Its totient is φ = 12101760.
The previous prime is 12296953. The next prime is 12296993. The reversal of 12296981 is 18969221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12296981 - 210 = 12295957 is a prime.
It is a super-2 number, since 2×122969812 = 302431483428722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12296941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31916 + ... + 32298.
It is an arithmetic number, because the mean of its divisors is an integer number (1561728).
Almost surely, 212296981 is an apocalyptic number.
It is an amenable number.
12296981 is a deficient number, since it is larger than the sum of its proper divisors (196843).
12296981 is an equidigital number, since it uses as much as digits as its factorization.
12296981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 811.
The product of its digits is 15552, while the sum is 38.
The square root of 12296981 is about 3506.7051487115. The cubic root of 12296981 is about 230.8161364967.
The spelling of 12296981 in words is "twelve million, two hundred ninety-six thousand, nine hundred eighty-one".
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