11306728 has 8 divisors (see below), whose sum is σ = 21200130. Its totient is φ = 5653360.

The previous prime is 11306681. The next prime is 11306753. The reversal of 11306728 is 82760311.

It can be written as a sum of positive squares in only one way, i.e., 10381284 + 925444 = 3222^2 + 962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11306696 and 11306705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706663 + ... + 706678.

Almost surely, 2^11306728 is an apocalyptic number.

It is an amenable number.

11306728 is a deficient number, since it is larger than the sum of its proper divisors (9893402).

11306728 is a wasteful number, since it uses less digits than its factorization.

11306728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413347 (or 1413343 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11306728 is about 3362.5478435258. The cubic root of 11306728 is about 224.4462299487.

The spelling of 11306728 in words is "eleven million, three hundred six thousand, seven hundred twenty-eight".