11642036 has 12 divisors (see below), whose sum is σ = 23284128. Its totient is φ = 4989432.

The previous prime is 11642017. The next prime is 11642039. The reversal of 11642036 is 63024611.

It is a happy number.

11642036 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207866 + ... + 207921.

It is an arithmetic number, because the mean of its divisors is an integer number (1940344).

Almost surely, 2^11642036 is an apocalyptic number.

It is an amenable number.

11642036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11642036 is a wasteful number, since it uses less digits than its factorization.

11642036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415798 (or 415796 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 11642036 is about 3412.0427898841. The cubic root of 11642036 is about 226.6433491969.

Adding to 11642036 its reverse (63024611), we get a palindrome (74666647).

The spelling of 11642036 in words is "eleven million, six hundred forty-two thousand, thirty-six".