12535559 has 2 divisors, whose sum is σ = 12535560. Its totient is φ = 12535558.

The previous prime is 12535531. The next prime is 12535577. The reversal of 12535559 is 95553521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12535559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12435559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267779 + 6267780.

It is an arithmetic number, because the mean of its divisors is an integer number (6267780).

Almost surely, 2^12535559 is an apocalyptic number.

12535559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535559 is an equidigital number, since it uses as much as digits as its factorization.

12535559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33750, while the sum is 35.

The square root of 12535559 is about 3540.5591366336. The cubic root of 12535559 is about 232.2993003432.

The spelling of 12535559 in words is "twelve million, five hundred thirty-five thousand, five hundred fifty-nine".