11840736 has 24 divisors (see below), whose sum is σ = 31082184. Its totient is φ = 3946880.

The previous prime is 11840723. The next prime is 11840737. The reversal of 11840736 is 63704811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840737) 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, 61575 + ... + 61766.

It is an arithmetic number, because the mean of its divisors is an integer number (1295091).

Almost surely, 2^11840736 is an apocalyptic number.

11840736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11840736 is an abundant number, since it is smaller than the sum of its proper divisors (19241448).

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

11840736 is a wasteful number, since it uses less digits than its factorization.

11840736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123354 (or 123346 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 11840736 is about 3441.0370529827. The cubic root of 11840736 is about 227.9254911969.

The spelling of 11840736 in words is "eleven million, eight hundred forty thousand, seven hundred thirty-six".