11985075 has 18 divisors (see below), whose sum is σ = 21467004. Its totient is φ = 6391920.

The previous prime is 11985073. The next prime is 11985101. The reversal of 11985075 is 57058911.

It is not a de Polignac number, because 11985075 - 2¹ = 11985073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11985073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26409 + ... + 26858.

Almost surely, 2^11985075 is an apocalyptic number.

11985075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11985075 is a deficient number, since it is larger than the sum of its proper divisors (9481929).

11985075 is a wasteful number, since it uses less digits than its factorization.

11985075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53283 (or 53275 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 11985075 is about 3461.9467066955. The cubic root of 11985075 is about 228.8478932436.

The spelling of 11985075 in words is "eleven million, nine hundred eighty-five thousand, seventy-five".