11842661 has 4 divisors (see below), whose sum is σ = 11928000. Its totient is φ = 11757324.

The previous prime is 11842609. The next prime is 11842679. The reversal of 11842661 is 16624811.

11842661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11842661 - 2¹⁰ = 11841637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11842561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42461 + ... + 42738.

It is an arithmetic number, because the mean of its divisors is an integer number (2982000).

Almost surely, 2^11842661 is an apocalyptic number.

It is an amenable number.

11842661 is a deficient number, since it is larger than the sum of its proper divisors (85339).

11842661 is an equidigital number, since it uses as much as digits as its factorization.

11842661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85338.

The product of its digits is 2304, while the sum is 29.

The square root of 11842661 is about 3441.3167538022. The cubic root of 11842661 is about 227.9378421408.

The spelling of 11842661 in words is "eleven million, eight hundred forty-two thousand, six hundred sixty-one".