11133012 has 96 divisors (see below), whose sum is σ = 31288320. Its totient is φ = 3041280.

The previous prime is 11133007. The next prime is 11133019. The reversal of 11133012 is 21033111.

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 (11133019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57588 + ... + 57780.

It is an arithmetic number, because the mean of its divisors is an integer number (325920).

Almost surely, 2^11133012 is an apocalyptic number.

11133012 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 11133012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15644160).

11133012 is an abundant number, since it is smaller than the sum of its proper divisors (20155308).

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

11133012 is a wasteful number, since it uses less digits than its factorization.

11133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 251 counting only the distinct ones).

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

The square root of 11133012 is about 3336.6168494450. The cubic root of 11133012 is about 223.2908322381.

Adding to 11133012 its reverse (21033111), we get a palindrome (32166123).

Subtracting 11133012 from its reverse (21033111), we obtain a palindrome (9900099).

The spelling of 11133012 in words is "eleven million, one hundred thirty-three thousand, twelve".