11942861 has 8 divisors (see below), whose sum is σ = 13906944. Its totient is φ = 10043280.

The previous prime is 11942851. The next prime is 11942893. The reversal of 11942861 is 16824911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11942861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15725 + ... + 16466.

It is an arithmetic number, because the mean of its divisors is an integer number (1738368).

Almost surely, 2^11942861 is an apocalyptic number.

It is an amenable number.

11942861 is a deficient number, since it is larger than the sum of its proper divisors (1964083).

11942861 is an equidigital number, since it uses as much as digits as its factorization.

11942861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32251.

The product of its digits is 3456, while the sum is 32.

The square root of 11942861 is about 3455.8444698800. The cubic root of 11942861 is about 228.5788934132.

The spelling of 11942861 in words is "eleven million, nine hundred forty-two thousand, eight hundred sixty-one".