11766642 has 8 divisors (see below), whose sum is σ = 23533296. Its totient is φ = 3922212.

The previous prime is 11766641. The next prime is 11766647. The reversal of 11766642 is 24666711.

It is a sphenic number, since it is the product of 3 distinct primes.

11766642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11766641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980548 + ... + 980559.

It is an arithmetic number, because the mean of its divisors is an integer number (2941662).

Almost surely, 2^11766642 is an apocalyptic number.

11766642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11766642 is a wasteful number, since it uses less digits than its factorization.

11766642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961112.

The product of its digits is 12096, while the sum is 33.

The square root of 11766642 is about 3430.2539264608. The cubic root of 11766642 is about 227.4490776821.

The spelling of 11766642 in words is "eleven million, seven hundred sixty-six thousand, six hundred forty-two".