11133912 has 64 divisors (see below), whose sum is σ = 30520800. Its totient is φ = 3368960.

The previous prime is 11133911. The next prime is 11133917. The reversal of 11133912 is 21933111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133911) 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 15 ways as a sum of consecutive naturals, for example, 11362 + ... + 12302.

Almost surely, 2^11133912 is an apocalyptic number.

11133912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11133912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15260400).

11133912 is an abundant number, since it is smaller than the sum of its proper divisors (19386888).

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

11133912 is a wasteful number, since it uses less digits than its factorization.

11133912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 11133912 is about 3336.7517138678. The cubic root of 11133912 is about 223.2968490685.

The spelling of 11133912 in words is "eleven million, one hundred thirty-three thousand, nine hundred twelve".