Adding to 12000558 its reverse (85500021), we get a palindrome (97500579).
It is a sphenic number, since it is the product of 3 distinct primes.
12000558 is an admirable number.
It is a congruent number.
Almost surely, 212000558 is an apocalyptic number.
12000558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000558 is a wasteful number, since it uses less digits than its factorization.
12000558 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2000098.
The square root of 12000558 is about 3464.1821545640. The cubic root of 12000558 is about 228.9463970698.
The spelling of 12000558 in words is "twelve million, five hundred fifty-eight", and thus it is an aban number.