11253638 has 16 divisors (see below), whose sum is σ = 18639936. Its totient is φ = 5052840.

The previous prime is 11253631. The next prime is 11253673. The reversal of 11253638 is 83635211.

It is a self number, because there is not a number n which added to its sum of digits gives 11253638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1164996).

Almost surely, 2^11253638 is an apocalyptic number.

11253638 is a deficient number, since it is larger than the sum of its proper divisors (7386298).

11253638 is a wasteful number, since it uses less digits than its factorization.

11253638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259.

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

The square root of 11253638 is about 3354.6442434333. The cubic root of 11253638 is about 224.0943878366.

Adding to 11253638 its reverse (83635211), we get a palindrome (94888849).

The spelling of 11253638 in words is "eleven million, two hundred fifty-three thousand, six hundred thirty-eight".