36636012 has 36 divisors (see below), whose sum is σ = 105838096. Its totient is φ = 10467360.

The previous prime is 36636011. The next prime is 36636023. The reversal of 36636012 is 21063663.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (36636011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72439 + ... + 72942.

Almost surely, 2^36636012 is an apocalyptic number.

It is an amenable number.

36636012 is an abundant number, since it is smaller than the sum of its proper divisors (69202084).

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

36636012 is a wasteful number, since it uses less digits than its factorization.

36636012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145398 (or 145393 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 36636012 is about 6052.7689531321. The cubic root of 36636012 is about 332.1258897432.

Adding to 36636012 its reverse (21063663), we get a palindrome (57699675).

The spelling of 36636012 in words is "thirty-six million, six hundred thirty-six thousand, twelve".