11320445 has 4 divisors (see below), whose sum is σ = 13584540. Its totient is φ = 9056352.

The previous prime is 11320433. The next prime is 11320457. The reversal of 11320445 is 54402311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54402311 = 641 ⋅84871.

It is an interprime number because it is at equal distance from previous prime (11320433) and next prime (11320457).

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 3541924 = 2789^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320445 - 2⁸ = 11320189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132040 + ... + 1132049.

It is an arithmetic number, because the mean of its divisors is an integer number (3396135).

Almost surely, 2^11320445 is an apocalyptic number.

It is an amenable number.

11320445 is a deficient number, since it is larger than the sum of its proper divisors (2264095).

11320445 is an equidigital number, since it uses as much as digits as its factorization.

11320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264094.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11320445 is about 3364.5868988629. The cubic root of 11320445 is about 224.5369571914.

Adding to 11320445 its reverse (54402311), we get a palindrome (65722756).

The spelling of 11320445 in words is "eleven million, three hundred twenty thousand, four hundred forty-five".