11666828 has 12 divisors (see below), whose sum is σ = 21618072. Its totient is φ = 5490240.

The previous prime is 11666807. The next prime is 11666833. The reversal of 11666828 is 82866611.

It is a super-2 number, since 2×11666828² = 272229751163168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666791 and 11666800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85718 + ... + 85853.

It is an arithmetic number, because the mean of its divisors is an integer number (1801506).

Almost surely, 2^11666828 is an apocalyptic number.

It is an amenable number.

11666828 is a deficient number, since it is larger than the sum of its proper divisors (9951244).

11666828 is a wasteful number, since it uses less digits than its factorization.

11666828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171592 (or 171590 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 11666828 is about 3415.6738720200. The cubic root of 11666828 is about 226.8041159811.

The spelling of 11666828 in words is "eleven million, six hundred sixty-six thousand, eight hundred twenty-eight".