11428312 has 32 divisors (see below), whose sum is σ = 24775200. Its totient is φ = 4840704.

The previous prime is 11428297. The next prime is 11428331. The reversal of 11428312 is 21382411.

It is a happy number.

11428312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3838 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (774225).

Almost surely, 2^11428312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11428312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12387600).

11428312 is an abundant number, since it is smaller than the sum of its proper divisors (13346888).

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

11428312 is a wasteful number, since it uses less digits than its factorization.

11428312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2391 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 11428312 is about 3380.5786486931. The cubic root of 11428312 is about 225.2478716874.

The spelling of 11428312 in words is "eleven million, four hundred twenty-eight thousand, three hundred twelve".