12057559 has 4 divisors (see below), whose sum is σ = 12110904. Its totient is φ = 12004216.

The previous prime is 12057547. The next prime is 12057583. The reversal of 12057559 is 95575021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12057559 - 2⁷ = 12057431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26332 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (3027726).

Almost surely, 2^12057559 is an apocalyptic number.

12057559 is a deficient number, since it is larger than the sum of its proper divisors (53345).

12057559 is an equidigital number, since it uses as much as digits as its factorization.

12057559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53344.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12057559 is about 3472.3996025803. The cubic root of 12057559 is about 229.3083126228.

The spelling of 12057559 in words is "twelve million, fifty-seven thousand, five hundred fifty-nine".