12636105 has 8 divisors (see below), whose sum is σ = 20217792. Its totient is φ = 6739248.

The previous prime is 12636103. The next prime is 12636139. The reversal of 12636105 is 50163621.

12636105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12636105 - 2¹ = 12636103 is a prime.

It is a super-2 number, since 2×12636105² = 319342299142050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12636103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421189 + ... + 421218.

It is an arithmetic number, because the mean of its divisors is an integer number (2527224).

Almost surely, 2^12636105 is an apocalyptic number.

12636105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12636105 is a deficient number, since it is larger than the sum of its proper divisors (7581687).

12636105 is an equidigital number, since it uses as much as digits as its factorization.

12636105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842415.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12636105 is about 3554.7299475488. The cubic root of 12636105 is about 232.9187274493.

Adding to 12636105 its reverse (50163621), we get a palindrome (62799726).

The spelling of 12636105 in words is "twelve million, six hundred thirty-six thousand, one hundred five".