11636201 has 2 divisors, whose sum is σ = 11636202. Its totient is φ = 11636200.

The previous prime is 11636197. The next prime is 11636231. The reversal of 11636201 is 10263611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10896601 + 739600 = 3301^2 + 860^2 .

It is an emirp because it is prime and its reverse (10263611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11636201 - 2² = 11636197 is a prime.

It is not a weakly prime, because it can be changed into another prime (11636231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5818100 + 5818101.

It is an arithmetic number, because the mean of its divisors is an integer number (5818101).

Almost surely, 2^11636201 is an apocalyptic number.

It is an amenable number.

11636201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11636201 is an equidigital number, since it uses as much as digits as its factorization.

11636201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11636201 is about 3411.1876231014. The cubic root of 11636201 is about 226.6054782454.

Adding to 11636201 its reverse (10263611), we get a palindrome (21899812).

The spelling of 11636201 in words is "eleven million, six hundred thirty-six thousand, two hundred one".