11663424 has 42 divisors (see below), whose sum is σ = 33432750. Its totient is φ = 3887616.

The previous prime is 11663417. The next prime is 11663437. The reversal of 11663424 is 42436611.

11663424 is a `hidden beast` number, since 1 + 1 + 6 + 634 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 2663424 = 3000^2 + 1632^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9549 + ... + 10700.

Almost surely, 2^11663424 is an apocalyptic number.

It is an amenable number.

11663424 is an abundant number, since it is smaller than the sum of its proper divisors (21769326).

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

11663424 is a wasteful number, since it uses less digits than its factorization.

11663424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20267 (or 20254 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 11663424 is about 3415.1755445365. The cubic root of 11663424 is about 226.7820558202.

The spelling of 11663424 in words is "eleven million, six hundred sixty-three thousand, four hundred twenty-four".