11744138 has 16 divisors (see below), whose sum is σ = 20177664. Its totient is φ = 5022000.

The previous prime is 11744137. The next prime is 11744143. The reversal of 11744138 is 83144711.

11744138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11744138.

It is not an unprimeable number, because it can be changed into a prime (11744137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (1261104).

Almost surely, 2^11744138 is an apocalyptic number.

11744138 is a deficient number, since it is larger than the sum of its proper divisors (8433526).

11744138 is a wasteful number, since it uses less digits than its factorization.

11744138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its digits is 2688, while the sum is 29.

The square root of 11744138 is about 3426.9721329477. The cubic root of 11744138 is about 227.3039844428.

Adding to 11744138 its reverse (83144711), we get a palindrome (94888849).

The spelling of 11744138 in words is "eleven million, seven hundred forty-four thousand, one hundred thirty-eight".