Base | Representation |
---|---|
bin | 110000001001… |
… | …000001100001 |
3 | 212202011012201 |
4 | 300021001201 |
5 | 11212313443 |
6 | 1130253201 |
7 | 212160430 |
oct | 60110141 |
9 | 25664181 |
10 | 12619873 |
11 | 713a552 |
12 | 4287201 |
13 | 27cb1a6 |
14 | 1967117 |
15 | 119434d |
hex | c09061 |
12619873 has 4 divisors (see below), whose sum is σ = 14422720. Its totient is φ = 10817028.
The previous prime is 12619823. The next prime is 12619877. The reversal of 12619873 is 37891621.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12619873 is a prime.
It is a super-2 number, since 2×126198732 = 318522389072258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12619877) by changing a digit.
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, 901413 + ... + 901426.
It is an arithmetic number, because the mean of its divisors is an integer number (3605680).
Almost surely, 212619873 is an apocalyptic number.
It is an amenable number.
12619873 is a deficient number, since it is larger than the sum of its proper divisors (1802847).
12619873 is an equidigital number, since it uses as much as digits as its factorization.
12619873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802846.
The product of its digits is 18144, while the sum is 37.
The square root of 12619873 is about 3552.4460587038. The cubic root of 12619873 is about 232.8189510066.
The spelling of 12619873 in words is "twelve million, six hundred nineteen thousand, eight hundred seventy-three".
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