Base | Representation |
---|---|
bin | 110001100100… |
… | …011000011001 |
3 | 220110011111222 |
4 | 301210120121 |
5 | 11311302243 |
6 | 1142301425 |
7 | 215306411 |
oct | 61443031 |
9 | 26404458 |
10 | 12994073 |
11 | 7375704 |
12 | 4427875 |
13 | 28cc601 |
14 | 1a23641 |
15 | 121a168 |
hex | c64619 |
12994073 has 4 divisors (see below), whose sum is σ = 13172148. Its totient is φ = 12816000.
The previous prime is 12994031. The next prime is 12994087. The reversal of 12994073 is 37049921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37049921 = 1553 ⋅23857.
It can be written as a sum of positive squares in 2 ways, for example, as 9560464 + 3433609 = 3092^2 + 1853^2 .
It is a cyclic number.
It is not a de Polignac number, because 12994073 - 28 = 12993817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12994873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88928 + ... + 89073.
It is an arithmetic number, because the mean of its divisors is an integer number (3293037).
Almost surely, 212994073 is an apocalyptic number.
It is an amenable number.
12994073 is a deficient number, since it is larger than the sum of its proper divisors (178075).
12994073 is an equidigital number, since it uses as much as digits as its factorization.
12994073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178074.
The product of its (nonzero) digits is 13608, while the sum is 35.
The square root of 12994073 is about 3604.7292547430. The cubic root of 12994073 is about 235.0977290818.
The spelling of 12994073 in words is "twelve million, nine hundred ninety-four thousand, seventy-three".
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