11427885 has 80 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 5007744.

The previous prime is 11427883. The next prime is 11427901. The reversal of 11427885 is 58872411.

It is not a de Polignac number, because 11427885 - 2¹ = 11427883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427881) 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 79 ways as a sum of consecutive naturals, for example, 82146 + ... + 82284.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^11427885 is an apocalyptic number.

11427885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11427885 is an abundant number, since it is smaller than the sum of its proper divisors (12965715).

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

11427885 is a wasteful number, since it uses less digits than its factorization.

11427885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 183 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11427885 is about 3380.5154932347. The cubic root of 11427885 is about 225.2450663142.

The spelling of 11427885 in words is "eleven million, four hundred twenty-seven thousand, eight hundred eighty-five".