11173445 has 8 divisors (see below), whose sum is σ = 13770744. Its totient is φ = 8697024.

The previous prime is 11173433. The next prime is 11173457. The reversal of 11173445 is 54437111.

It is an interprime number because it is at equal distance from previous prime (11173433) and next prime (11173457).

It can be written as a sum of positive squares in 4 ways, for example, as 1723969 + 9449476 = 1313^2 + 3074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11173445 - 2⁴ = 11173429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 30014 + ... + 30383.

It is an arithmetic number, because the mean of its divisors is an integer number (1721343).

Almost surely, 2^11173445 is an apocalyptic number.

It is an amenable number.

11173445 is a deficient number, since it is larger than the sum of its proper divisors (2597299).

11173445 is an equidigital number, since it uses as much as digits as its factorization.

11173445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60439.

The product of its digits is 1680, while the sum is 26.

The square root of 11173445 is about 3342.6703397134. The cubic root of 11173445 is about 223.5608223811.

The spelling of 11173445 in words is "eleven million, one hundred seventy-three thousand, four hundred forty-five".