11605684 has 12 divisors (see below), whose sum is σ = 21010500. Its totient is φ = 5602688.

The previous prime is 11605661. The next prime is 11605703. The reversal of 11605684 is 48650611.

It can be written as a sum of positive squares in 2 ways, for example, as 2131600 + 9474084 = 1460^2 + 3078^2 .

It is a super-2 number, since 2×11605684² = 269383802215712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 49909 + ... + 50140.

It is an arithmetic number, because the mean of its divisors is an integer number (1750875).

Almost surely, 2^11605684 is an apocalyptic number.

It is an amenable number.

11605684 is a deficient number, since it is larger than the sum of its proper divisors (9404816).

11605684 is a wasteful number, since it uses less digits than its factorization.

11605684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100082 (or 100080 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 11605684 is about 3406.7116109234. The cubic root of 11605684 is about 226.4072069609.

The spelling of 11605684 in words is "eleven million, six hundred five thousand, six hundred eighty-four".