11428432 has 20 divisors (see below), whose sum is σ = 22349140. Its totient is φ = 5660928.

The previous prime is 11428427. The next prime is 11428433. The reversal of 11428432 is 23482411.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 5494336 = 2436^2 + 2344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11428397 and 11428406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (1117457).

Almost surely, 2^11428432 is an apocalyptic number.

It is an amenable number.

11428432 is a deficient number, since it is larger than the sum of its proper divisors (10920708).

11428432 is a wasteful number, since it uses less digits than its factorization.

11428432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670 (or 6664 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 11428432 is about 3380.5963970874. The cubic root of 11428432 is about 225.2486600701.

The spelling of 11428432 in words is "eleven million, four hundred twenty-eight thousand, four hundred thirty-two".