11500452 has 36 divisors (see below), whose sum is σ = 29552796. Its totient is φ = 3769920.

The previous prime is 11500429. The next prime is 11500471. The reversal of 11500452 is 25400511.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 6937956 = 2136^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 423 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (820911).

Almost surely, 2^11500452 is an apocalyptic number.

11500452 is a gapful number since it is divisible by the number (12) 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 11500452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14776398).

11500452 is an abundant number, since it is smaller than the sum of its proper divisors (18052344).

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

11500452 is a wasteful number, since it uses less digits than its factorization.

11500452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11500452 is about 3391.2316346720. The cubic root of 11500452 is about 225.7208289662.

Adding to 11500452 its reverse (25400511), we get a palindrome (36900963).

The spelling of 11500452 in words is "eleven million, five hundred thousand, four hundred fifty-two".