11928285 has 24 divisors (see below), whose sum is σ = 20835360. Its totient is φ = 6312672.

The previous prime is 11928229. The next prime is 11928299. The reversal of 11928285 is 58282911.

11928285 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11928285 - 2¹⁵ = 11895517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5302 + ... + 7208.

It is an arithmetic number, because the mean of its divisors is an integer number (868140).

Almost surely, 2^11928285 is an apocalyptic number.

11928285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11928285 is a deficient number, since it is larger than the sum of its proper divisors (8907075).

11928285 is a wasteful number, since it uses less digits than its factorization.

11928285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2054 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11928285 is about 3453.7349348206. The cubic root of 11928285 is about 228.4858637134.

The spelling of 11928285 in words is "eleven million, nine hundred twenty-eight thousand, two hundred eighty-five".