11687424 has 80 divisors (see below), whose sum is σ = 35616768. Its totient is φ = 3336192.

The previous prime is 11687407. The next prime is 11687441. The reversal of 11687424 is 42478611.

It is an interprime number because it is at equal distance from previous prime (11687407) and next prime (11687441).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10209 + ... + 11295.

Almost surely, 2^11687424 is an apocalyptic number.

11687424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11687424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17808384).

11687424 is an abundant number, since it is smaller than the sum of its proper divisors (23929344).

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

11687424 is an equidigital number, since it uses as much as digits as its factorization.

11687424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1099 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 11687424 is about 3418.6874674354. The cubic root of 11687424 is about 226.9375001786.

The spelling of 11687424 in words is "eleven million, six hundred eighty-seven thousand, four hundred twenty-four".