12552559 has 4 divisors (see below), whose sum is σ = 13213240. Its totient is φ = 11891880.

The previous prime is 12552541. The next prime is 12552571. The reversal of 12552559 is 95525521.

It is a happy number.

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 12552559 - 2⁹ = 12552047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330312 + ... + 330349.

It is an arithmetic number, because the mean of its divisors is an integer number (3303310).

Almost surely, 2^12552559 is an apocalyptic number.

12552559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12552559 is a deficient number, since it is larger than the sum of its proper divisors (660681).

12552559 is an equidigital number, since it uses as much as digits as its factorization.

12552559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660680.

The product of its digits is 22500, while the sum is 34.

The square root of 12552559 is about 3542.9590739945. The cubic root of 12552559 is about 232.4042632006.

The spelling of 12552559 in words is "twelve million, five hundred fifty-two thousand, five hundred fifty-nine".