11424504 has 64 divisors (see below), whose sum is σ = 35159040. Its totient is φ = 3012480.

The previous prime is 11424503. The next prime is 11424551. The reversal of 11424504 is 40542411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424503) 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 15 ways as a sum of consecutive naturals, for example, 432 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (549360).

Almost surely, 2^11424504 is an apocalyptic number.

11424504 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 11424504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17579520).

11424504 is an abundant number, since it is smaller than the sum of its proper divisors (23734536).

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

11424504 is a wasteful number, since it uses less digits than its factorization.

11424504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5256 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11424504 is about 3380.0153845804. The cubic root of 11424504 is about 225.2228508099. Note that the first 3 decimals are identical.

Adding to 11424504 its reverse (40542411), we get a palindrome (51966915).

The spelling of 11424504 in words is "eleven million, four hundred twenty-four thousand, five hundred four".