11996728 has 16 divisors (see below), whose sum is σ = 22811760. Its totient is φ = 5913600.

The previous prime is 11996711. The next prime is 11996729. The reversal of 11996728 is 82769911.

11996728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9993 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (1425735).

Almost surely, 2^11996728 is an apocalyptic number.

It is an amenable number.

11996728 is a deficient number, since it is larger than the sum of its proper divisors (10815032).

11996728 is a wasteful number, since it uses less digits than its factorization.

11996728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198 (or 21194 counting only the distinct ones).

The product of its digits is 54432, while the sum is 43.

The square root of 11996728 is about 3463.6293104199. The cubic root of 11996728 is about 228.9220382580.

The spelling of 11996728 in words is "eleven million, nine hundred ninety-six thousand, seven hundred twenty-eight".