11432728 has 16 divisors (see below), whose sum is σ = 22176000. Its totient is φ = 5519136.

The previous prime is 11432719. The next prime is 11432731. The reversal of 11432728 is 82723411.

11432728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11432696 and 11432705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24408 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (1386000).

Almost surely, 2^11432728 is an apocalyptic number.

It is an amenable number.

11432728 is a deficient number, since it is larger than the sum of its proper divisors (10743272).

11432728 is a wasteful number, since it uses less digits than its factorization.

11432728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49314 (or 49310 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 11432728 is about 3381.2317282316. The cubic root of 11432728 is about 225.2768805357.

The spelling of 11432728 in words is "eleven million, four hundred thirty-two thousand, seven hundred twenty-eight".