12435563 has 6 divisors (see below), whose sum is σ = 14465916. Its totient is φ = 10659012.

The previous prime is 12435559. The next prime is 12435611. The reversal of 12435563 is 36553421.

It is not a de Polignac number, because 12435563 - 2² = 12435559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12435503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126845 + ... + 126942.

It is an arithmetic number, because the mean of its divisors is an integer number (2410986).

Almost surely, 2^12435563 is an apocalyptic number.

12435563 is a deficient number, since it is larger than the sum of its proper divisors (2030353).

12435563 is an equidigital number, since it uses as much as digits as its factorization.

12435563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253801 (or 253794 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 12435563 is about 3526.4093636446. The cubic root of 12435563 is about 231.6799677220.

Adding to 12435563 its reverse (36553421), we get a palindrome (48988984).

The spelling of 12435563 in words is "twelve million, four hundred thirty-five thousand, five hundred sixty-three".