11643242 has 8 divisors (see below), whose sum is σ = 18808356. Its totient is φ = 5373792.

The previous prime is 11643241. The next prime is 11643251. The reversal of 11643242 is 24234611.

11643242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 346921 = 3361^2 + 589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11643241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223883 + ... + 223934.

Almost surely, 2^11643242 is an apocalyptic number.

11643242 is a deficient number, since it is larger than the sum of its proper divisors (7165114).

11643242 is a wasteful number, since it uses less digits than its factorization.

11643242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447832.

The product of its digits is 1152, while the sum is 23.

The square root of 11643242 is about 3412.2195122823. The cubic root of 11643242 is about 226.6511749312.

Adding to 11643242 its reverse (24234611), we get a palindrome (35877853).

The spelling of 11643242 in words is "eleven million, six hundred forty-three thousand, two hundred forty-two".