11731441 has 4 divisors (see below), whose sum is σ = 11782900. Its totient is φ = 11679984.

The previous prime is 11731409. The next prime is 11731451. The reversal of 11731441 is 14413711.

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: 14413711 = 13 ⋅1108747.

It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 4950625 = 2604^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11731441 - 2⁵ = 11731409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11731451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25386 + ... + 25843.

It is an arithmetic number, because the mean of its divisors is an integer number (2945725).

Almost surely, 2^11731441 is an apocalyptic number.

It is an amenable number.

11731441 is a deficient number, since it is larger than the sum of its proper divisors (51459).

11731441 is an equidigital number, since it uses as much as digits as its factorization.

11731441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51458.

The product of its digits is 336, while the sum is 22.

The square root of 11731441 is about 3425.1191220161. The cubic root of 11731441 is about 227.2220394646. Note that the first 3 decimals are identical.

The spelling of 11731441 in words is "eleven million, seven hundred thirty-one thousand, four hundred forty-one".