12636214 has 4 divisors (see below), whose sum is σ = 18954324. Its totient is φ = 6318106.

The previous prime is 12636209. The next prime is 12636229. The reversal of 12636214 is 41263621.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159052 + ... + 3159055.

It is an arithmetic number, because the mean of its divisors is an integer number (4738581).

Almost surely, 2^12636214 is an apocalyptic number.

12636214 is a deficient number, since it is larger than the sum of its proper divisors (6318110).

12636214 is an equidigital number, since it uses as much as digits as its factorization.

12636214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318109.

The product of its digits is 1728, while the sum is 25.

The square root of 12636214 is about 3554.7452792007. The cubic root of 12636214 is about 232.9193971722.

Adding to 12636214 its reverse (41263621), we get a palindrome (53899835).

The spelling of 12636214 in words is "twelve million, six hundred thirty-six thousand, two hundred fourteen".