11805253 has 4 divisors (see below), whose sum is σ = 12093228. Its totient is φ = 11517280.

The previous prime is 11805247. The next prime is 11805271. The reversal of 11805253 is 35250811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35250811 = 2963 ⋅11897.

It can be written as a sum of positive squares in 2 ways, for example, as 5841889 + 5963364 = 2417^2 + 2442^2 .

It is a cyclic number.

It is not a de Polignac number, because 11805253 - 2⁵ = 11805221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11805853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143926 + ... + 144007.

It is an arithmetic number, because the mean of its divisors is an integer number (3023307).

Almost surely, 2^11805253 is an apocalyptic number.

It is an amenable number.

11805253 is a deficient number, since it is larger than the sum of its proper divisors (287975).

11805253 is an equidigital number, since it uses as much as digits as its factorization.

11805253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287974.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 11805253 is about 3435.8773260988. The cubic root of 11805253 is about 227.6975894788.

The spelling of 11805253 in words is "eleven million, eight hundred five thousand, two hundred fifty-three".