11636231 has 2 divisors, whose sum is σ = 11636232. Its totient is φ = 11636230.

The previous prime is 11636201. The next prime is 11636243. The reversal of 11636231 is 13263611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13263611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11636231 - 2¹⁰ = 11635207 is a prime.

It is a super-2 number, since 2×11636231² = 270803743770722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11636197 and 11636206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11636201) by changing a digit.

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 as a sum of consecutive naturals, namely, 5818115 + 5818116.

It is an arithmetic number, because the mean of its divisors is an integer number (5818116).

Almost surely, 2^11636231 is an apocalyptic number.

11636231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11636231 is an equidigital number, since it uses as much as digits as its factorization.

11636231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 11636231 is about 3411.1920203940. The cubic root of 11636231 is about 226.6056729870.

Adding to 11636231 its reverse (13263611), we get a palindrome (24899842).

The spelling of 11636231 in words is "eleven million, six hundred thirty-six thousand, two hundred thirty-one".