12056530 has 8 divisors (see below), whose sum is σ = 21701772. Its totient is φ = 4822608.

The previous prime is 12056521. The next prime is 12056549. The reversal of 12056530 is 3565021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10896601 + 1159929 = 3301^2 + 1077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602817 + ... + 602836.

Almost surely, 2^12056530 is an apocalyptic number.

12056530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12056530 is a deficient number, since it is larger than the sum of its proper divisors (9645242).

12056530 is a wasteful number, since it uses less digits than its factorization.

12056530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205660.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 12056530 is about 3472.2514309883. The cubic root of 12056530 is about 229.3017893299.

The spelling of 12056530 in words is "twelve million, fifty-six thousand, five hundred thirty".