11667684 has 36 divisors (see below), whose sum is σ = 31671024. Its totient is φ = 3333456.

The previous prime is 11667683. The next prime is 11667697. The reversal of 11667684 is 48676611.

It is a happy number.

It is a super-2 number, since 2×11667684² = 272269699847712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11667683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9334 + ... + 10509.

Almost surely, 2^11667684 is an apocalyptic number.

11667684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11667684 is an abundant number, since it is smaller than the sum of its proper divisors (20003340).

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

11667684 is a wasteful number, since it uses less digits than its factorization.

11667684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19864 (or 19855 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 11667684 is about 3415.7991744246. The cubic root of 11667684 is about 226.8096627494.

The spelling of 11667684 in words is "eleven million, six hundred sixty-seven thousand, six hundred eighty-four".