11636242 has 4 divisors (see below), whose sum is σ = 17454366. Its totient is φ = 5818120.

The previous prime is 11636231. The next prime is 11636243. The reversal of 11636242 is 24263611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10169721 + 1466521 = 3189^2 + 1211^2 .

It is not an unprimeable number, because it can be changed into a prime (11636243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909059 + ... + 2909062.

Almost surely, 2^11636242 is an apocalyptic number.

11636242 is a deficient number, since it is larger than the sum of its proper divisors (5818124).

11636242 is an equidigital number, since it uses as much as digits as its factorization.

11636242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818123.

The product of its digits is 1728, while the sum is 25.

The square root of 11636242 is about 3411.1936327333. The cubic root of 11636242 is about 226.6057443922.

Adding to 11636242 its reverse (24263611), we get a palindrome (35899853).

The spelling of 11636242 in words is "eleven million, six hundred thirty-six thousand, two hundred forty-two".