11886728 has 32 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 5066880.

The previous prime is 11886727. The next prime is 11886739. The reversal of 11886728 is 82768811.

It is not an unprimeable number, because it can be changed into a prime (11886727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12593 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^11886728 is an apocalyptic number.

It is an amenable number.

11886728 is an abundant number, since it is smaller than the sum of its proper divisors (13722232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11886728 is a wasteful number, since it uses less digits than its factorization.

11886728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1153 counting only the distinct ones).

The product of its digits is 43008, while the sum is 41.

The square root of 11886728 is about 3447.7134451691. The cubic root of 11886728 is about 228.2202140356.

The spelling of 11886728 in words is "eleven million, eight hundred eighty-six thousand, seven hundred twenty-eight".