11711444 has 6 divisors (see below), whose sum is σ = 20495034.
Its totient is φ = 5855720.
The previous prime is 11711431. The next prime is 11711449. The reversal of 11711444 is 44411711.
It can be written as a sum of positive squares in only one way, i.e., 6959044 + 4752400 = 2638^2 + 2180^2
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11711449) 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 as a sum of consecutive naturals, namely, 1463927 + ... + 1463934.
It is an arithmetic number, because the mean of its divisors is an integer number (3415839).
Almost surely, 211711444 is an apocalyptic number.
It is an amenable number.
11711444 is a deficient number, since it is larger than the sum of its proper divisors (8783590).
11711444 is a wasteful number, since it uses less digits than its factorization.
11711444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2927865 (or 2927863 counting only the distinct ones).
The product of its digits is 448, while the sum is 23.
The square root of 11711444 is about 3422.1987084329.
The cubic root of 11711444 is about 227.0928611514.
The spelling of 11711444 in words is "eleven million, seven hundred eleven thousand, four hundred forty-four".