11428816 has 20 divisors (see below), whose sum is σ = 25306912. Its totient is φ = 4898016.

The previous prime is 11428789. The next prime is 11428817. The reversal of 11428816 is 61882411.

11428816 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

11428816 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428817) 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, 50910 + ... + 51133.

Almost surely, 2^11428816 is an apocalyptic number.

11428816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11428816 is an abundant number, since it is smaller than the sum of its proper divisors (13878096).

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

11428816 is a wasteful number, since it uses less digits than its factorization.

11428816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102058 (or 102052 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 11428816 is about 3380.6531913226. The cubic root of 11428816 is about 225.2511828576.

The spelling of 11428816 in words is "eleven million, four hundred twenty-eight thousand, eight hundred sixteen".