11742044 has 24 divisors (see below), whose sum is σ = 21189168. Its totient is φ = 5690880.

The previous prime is 11742043. The next prime is 11742047. The reversal of 11742044 is 44024711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742043) 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 in 7 ways as a sum of consecutive naturals, for example, 20279 + ... + 20849.

It is an arithmetic number, because the mean of its divisors is an integer number (882882).

Almost surely, 2^11742044 is an apocalyptic number.

It is an amenable number.

11742044 is a deficient number, since it is larger than the sum of its proper divisors (9447124).

11742044 is a wasteful number, since it uses less digits than its factorization.

11742044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 11742044 is about 3426.6666018158. Note that the first 4 decimals coincide. The cubic root of 11742044 is about 227.2904740760.

Adding to 11742044 its reverse (44024711), we get a palindrome (55766755).

The spelling of 11742044 in words is "eleven million, seven hundred forty-two thousand, forty-four".