11892728 has 8 divisors (see below), whose sum is σ = 22298880. Its totient is φ = 5946360.

The previous prime is 11892721. The next prime is 11892737. The reversal of 11892728 is 82729811.

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 = 11892691 and 11892700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11892721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743288 + ... + 743303.

It is an arithmetic number, because the mean of its divisors is an integer number (2787360).

Almost surely, 2^11892728 is an apocalyptic number.

It is an amenable number.

11892728 is a deficient number, since it is larger than the sum of its proper divisors (10406152).

11892728 is a wasteful number, since it uses less digits than its factorization.

11892728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486597 (or 1486593 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 11892728 is about 3448.5834773135. The cubic root of 11892728 is about 228.2586067414.

The spelling of 11892728 in words is "eleven million, eight hundred ninety-two thousand, seven hundred twenty-eight".