11313504 has 72 divisors (see below), whose sum is σ = 32504472. Its totient is φ = 3732480.

The previous prime is 11313473. The next prime is 11313521. The reversal of 11313504 is 40531311.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46824 + ... + 47064.

It is an arithmetic number, because the mean of its divisors is an integer number (451451).

Almost surely, 2^11313504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11313504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16252236).

11313504 is an abundant number, since it is smaller than the sum of its proper divisors (21190968).

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

11313504 is a wasteful number, since it uses less digits than its factorization.

11313504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11313504 is about 3363.5552619215. Note that the first 3 decimals coincide. The cubic root of 11313504 is about 224.4910570625.

Adding to 11313504 its reverse (40531311), we get a palindrome (51844815).

The spelling of 11313504 in words is "eleven million, three hundred thirteen thousand, five hundred four".