11985456 has 40 divisors (see below), whose sum is σ = 35386624. Its totient is φ = 3424320.

The previous prime is 11985451. The next prime is 11985469. The reversal of 11985456 is 65458911.

It is not an unprimeable number, because it can be changed into a prime (11985451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17500 + ... + 18171.

Almost surely, 2^11985456 is an apocalyptic number.

11985456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11985456 is an abundant number, since it is smaller than the sum of its proper divisors (23401168).

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

11985456 is a wasteful number, since it uses less digits than its factorization.

11985456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35689 (or 35683 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 11985456 is about 3462.0017331018. The cubic root of 11985456 is about 228.8503182076.

The spelling of 11985456 in words is "eleven million, nine hundred eighty-five thousand, four hundred fifty-six".