11638273 has 2 divisors, whose sum is σ = 11638274. Its totient is φ = 11638272.

The previous prime is 11638271. The next prime is 11638303. The reversal of 11638273 is 37283611.

11638273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 294849 = 3368^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 11638273 - 2¹ = 11638271 is a prime.

Together with 11638271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11638271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5819136 + 5819137.

It is an arithmetic number, because the mean of its divisors is an integer number (5819137).

Almost surely, 2^11638273 is an apocalyptic number.

It is an amenable number.

11638273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11638273 is an equidigital number, since it uses as much as digits as its factorization.

11638273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 11638273 is about 3411.4913161255. The cubic root of 11638273 is about 226.6189276144.

It can be divided in two parts, 11638 and 273, that added together give a palindrome (11911).

The spelling of 11638273 in words is "eleven million, six hundred thirty-eight thousand, two hundred seventy-three".