11311684 has 24 divisors (see below), whose sum is σ = 20343960. Its totient is φ = 5501184.

The previous prime is 11311667. The next prime is 11311687. The reversal of 11311684 is 48611311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3694084 + 7617600 = 1922^2 + 2760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48432 + ... + 48664.

It is an arithmetic number, because the mean of its divisors is an integer number (847665).

Almost surely, 2^11311684 is an apocalyptic number.

It is an amenable number.

11311684 is a deficient number, since it is larger than the sum of its proper divisors (9032276).

11311684 is a wasteful number, since it uses less digits than its factorization.

11311684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 11311684 is about 3363.2847039762. The cubic root of 11311684 is about 224.4790184805.

Adding to 11311684 its reverse (48611311), we get a palindrome (59922995).

The spelling of 11311684 in words is "eleven million, three hundred eleven thousand, six hundred eighty-four".