11724238 has 16 divisors (see below), whose sum is σ = 17992656. Its totient is φ = 5728320.

The previous prime is 11724217. The next prime is 11724239. The reversal of 11724238 is 83242711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11724239) 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, 18820 + ... + 19432.

It is an arithmetic number, because the mean of its divisors is an integer number (1124541).

Almost surely, 2^11724238 is an apocalyptic number.

11724238 is a deficient number, since it is larger than the sum of its proper divisors (6268418).

11724238 is a wasteful number, since it uses less digits than its factorization.

11724238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its digits is 2688, while the sum is 28.

The square root of 11724238 is about 3424.0674642886. The cubic root of 11724238 is about 227.1755258427.

Adding to 11724238 its reverse (83242711), we get a palindrome (94966949).

The spelling of 11724238 in words is "eleven million, seven hundred twenty-four thousand, two hundred thirty-eight".