11103132 has 24 divisors (see below), whose sum is σ = 26166672. Its totient is φ = 3664000.

The previous prime is 11103119. The next prime is 11103133. The reversal of 11103132 is 23130111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103133) 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 in 7 ways as a sum of consecutive naturals, for example, 3369 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (1090278).

Almost surely, 2^11103132 is an apocalyptic number.

11103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11103132 is an abundant number, since it is smaller than the sum of its proper divisors (15063540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103132 is a wasteful number, since it uses less digits than its factorization.

11103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269 (or 9267 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11103132 is about 3332.1362517160. The cubic root of 11103132 is about 223.0908891040.

Adding to 11103132 its reverse (23130111), we get a palindrome (34233243).

The spelling of 11103132 in words is "eleven million, one hundred three thousand, one hundred thirty-two".