11666929 has 2 divisors, whose sum is σ = 11666930. Its totient is φ = 11666928.

The previous prime is 11666927. The next prime is 11666939. The reversal of 11666929 is 92966611.

11666929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 106929 = 3400^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 11666929 - 2¹ = 11666927 is a prime.

It is a super-2 number, since 2×11666929² = 272234464582082, which contains 22 as substring.

Together with 11666927, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11666891 and 11666900.

It is not a weakly prime, because it can be changed into another prime (11666923) 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 as a sum of consecutive naturals, namely, 5833464 + 5833465.

It is an arithmetic number, because the mean of its divisors is an integer number (5833465).

Almost surely, 2^11666929 is an apocalyptic number.

It is an amenable number.

11666929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666929 is an equidigital number, since it uses as much as digits as its factorization.

11666929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 11666929 is about 3415.6886567719. The cubic root of 11666929 is about 226.8047704621.

The spelling of 11666929 in words is "eleven million, six hundred sixty-six thousand, nine hundred twenty-nine".