11513424 has 40 divisors (see below), whose sum is σ = 32032672. Its totient is φ = 3542400.

The previous prime is 11513423. The next prime is 11513429. The reversal of 11513424 is 42431511.

It is a self number, because there is not a number n which added to its sum of digits gives 11513424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513423) 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 7 ways as a sum of consecutive naturals, for example, 8602 + ... + 9849.

Almost surely, 2^11513424 is an apocalyptic number.

It is an amenable number.

11513424 is an abundant number, since it is smaller than the sum of its proper divisors (20519248).

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

11513424 is a wasteful number, since it uses less digits than its factorization.

11513424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475 (or 18469 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 11513424 is about 3393.1436751190. The cubic root of 11513424 is about 225.8056647732.

Adding to 11513424 its reverse (42431511), we get a palindrome (53944935).

The spelling of 11513424 in words is "eleven million, five hundred thirteen thousand, four hundred twenty-four".