11711304 has 160 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 3369600.

The previous prime is 11711303. The next prime is 11711309. The reversal of 11711304 is 40311711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711303) 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 39 ways as a sum of consecutive naturals, for example, 220942 + ... + 220994.

It is an arithmetic number, because the mean of its divisors is an integer number (235224).

Almost surely, 2^11711304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11711304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18817920).

11711304 is an abundant number, since it is smaller than the sum of its proper divisors (25924536).

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

11711304 is a wasteful number, since it uses less digits than its factorization.

11711304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11711304 is about 3422.1782536858. The cubic root of 11711304 is about 227.0919562494.

The spelling of 11711304 in words is "eleven million, seven hundred eleven thousand, three hundred four".