12056529 has 4 divisors (see below), whose sum is σ = 16075376. Its totient is φ = 8037684.

The previous prime is 12056521. The next prime is 12056549. The reversal of 12056529 is 92565021.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92565021 = 3 ⋅30855007.

It is not a de Polignac number, because 12056529 - 2³ = 12056521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12056496 and 12056505.

It is not an unprimeable number, because it can be changed into a prime (12056521) by changing a digit.

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, 2009419 + ... + 2009424.

It is an arithmetic number, because the mean of its divisors is an integer number (4018844).

Almost surely, 2^12056529 is an apocalyptic number.

It is an amenable number.

12056529 is a deficient number, since it is larger than the sum of its proper divisors (4018847).

12056529 is an equidigital number, since it uses as much as digits as its factorization.

12056529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018846.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 12056529 is about 3472.2512869895. The cubic root of 12056529 is about 229.3017829903.

The spelling of 12056529 in words is "twelve million, fifty-six thousand, five hundred twenty-nine".