12436530636 has 48 divisors (see below), whose sum is σ = 31599187200. Its totient is φ = 3791898432.

The previous prime is 12436530521. The next prime is 12436530637. The reversal of 12436530636 is 63603563421.

12436530636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12436530594 and 12436530603.

It is not an unprimeable number, because it can be changed into a prime (12436530637) 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 15 ways as a sum of consecutive naturals, for example, 933840 + ... + 947063.

It is an arithmetic number, because the mean of its divisors is an integer number (658316400).

Almost surely, 2^12436530636 is an apocalyptic number.

It is an amenable number.

12436530636 is an abundant number, since it is smaller than the sum of its proper divisors (19162656564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12436530636 is a wasteful number, since it uses less digits than its factorization.

12436530636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880958 (or 1880956 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 12436530636 in words is "twelve billion, four hundred thirty-six million, five hundred thirty thousand, six hundred thirty-six".