11320436 has 24 divisors (see below), whose sum is σ = 21086856. Its totient is φ = 5299200.

The previous prime is 11320433. The next prime is 11320457. The reversal of 11320436 is 63402311.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 8236900 = 1756^2 + 2870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320433) 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, 18536 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (878619).

Almost surely, 2^11320436 is an apocalyptic number.

It is an amenable number.

11320436 is a deficient number, since it is larger than the sum of its proper divisors (9766420).

11320436 is a wasteful number, since it uses less digits than its factorization.

11320436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 11320436 is about 3364.5855614028. The cubic root of 11320436 is about 224.5368976875.

Adding to 11320436 its reverse (63402311), we get a palindrome (74722747).

The spelling of 11320436 in words is "eleven million, three hundred twenty thousand, four hundred thirty-six".