11840056 has 16 divisors (see below), whose sum is σ = 22417200. Its totient is φ = 5862144.

The previous prime is 11840051. The next prime is 11840071. The reversal of 11840056 is 65004811.

It is a self number, because there is not a number n which added to its sum of digits gives 11840056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840051) 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, 6361 + ... + 8008.

It is an arithmetic number, because the mean of its divisors is an integer number (1401075).

Almost surely, 2^11840056 is an apocalyptic number.

It is an amenable number.

11840056 is a deficient number, since it is larger than the sum of its proper divisors (10577144).

11840056 is a wasteful number, since it uses less digits than its factorization.

11840056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14478 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 11840056 is about 3440.9382441421. The cubic root of 11840056 is about 227.9211279462.

Adding to 11840056 its reverse (65004811), we get a palindrome (76844867).

The spelling of 11840056 in words is "eleven million, eight hundred forty thousand, fifty-six".