11744144 has 20 divisors (see below), whose sum is σ = 24093324. Its totient is φ = 5526528.

The previous prime is 11744143. The next prime is 11744149. The reversal of 11744144 is 44144711.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 3564544 = 2860^2 + 1888^2 .

It is not an unprimeable number, because it can be changed into a prime (11744143) 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, 21317 + ... + 21860.

Almost surely, 2^11744144 is an apocalyptic number.

It is an amenable number.

11744144 is an abundant number, since it is smaller than the sum of its proper divisors (12349180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11744144 is a wasteful number, since it uses less digits than its factorization.

11744144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43202 (or 43196 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 11744144 is about 3426.9730083559. The cubic root of 11744144 is about 227.3040231521.

Adding to 11744144 its reverse (44144711), we get a palindrome (55888855).

The spelling of 11744144 in words is "eleven million, seven hundred forty-four thousand, one hundred forty-four".