11906728 has 32 divisors (see below), whose sum is σ = 23627520. Its totient is φ = 5616000.

The previous prime is 11906701. The next prime is 11906729. The reversal of 11906728 is 82760911.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11906693 and 11906702.

It is not an unprimeable number, because it can be changed into a prime (11906729) 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 7 ways as a sum of consecutive naturals, for example, 9583 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (738360).

Almost surely, 2^11906728 is an apocalyptic number.

It is an amenable number.

11906728 is a deficient number, since it is larger than the sum of its proper divisors (11720792).

11906728 is a wasteful number, since it uses less digits than its factorization.

11906728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11906728 is about 3450.6126992173. The cubic root of 11906728 is about 228.3481395316.

The spelling of 11906728 in words is "eleven million, nine hundred six thousand, seven hundred twenty-eight".