12636042 has 16 divisors (see below), whose sum is σ = 25557120. Its totient is φ = 4164512.

The previous prime is 12636037. The next prime is 12636053. The reversal of 12636042 is 24063621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11298 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (1597320).

Almost surely, 2^12636042 is an apocalyptic number.

12636042 is an abundant number, since it is smaller than the sum of its proper divisors (12921078).

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

12636042 is a wasteful number, since it uses less digits than its factorization.

12636042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23757.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12636042 is about 3554.7210861051. The cubic root of 12636042 is about 232.9183403600.

Adding to 12636042 its reverse (24063621), we get a palindrome (36699663).

The spelling of 12636042 in words is "twelve million, six hundred thirty-six thousand, forty-two".