11235638 has 8 divisors (see below), whose sum is σ = 17586288. Its totient is φ = 5373544.

The previous prime is 11235613. The next prime is 11235641. The reversal of 11235638 is 83653211.

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

It is a super-2 number, since 2×11235638² = 252479122534088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11235638.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 122081 + ... + 122172.

It is an arithmetic number, because the mean of its divisors is an integer number (2198286).

Almost surely, 2^11235638 is an apocalyptic number.

11235638 is a deficient number, since it is larger than the sum of its proper divisors (6350650).

11235638 is a wasteful number, since it uses less digits than its factorization.

11235638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244278.

The product of its digits is 4320, while the sum is 29.

The square root of 11235638 is about 3351.9603219609. The cubic root of 11235638 is about 223.9748457085.

Adding to 11235638 its reverse (83653211), we get a palindrome (94888849).

The spelling of 11235638 in words is "eleven million, two hundred thirty-five thousand, six hundred thirty-eight".