11856942 has 48 divisors (see below), whose sum is σ = 27535872. Its totient is φ = 3819960.

The previous prime is 11856919. The next prime is 11856947. The reversal of 11856942 is 24965811.

It is a junction number, because it is equal to n+sod(n) for n = 11856897 and 11856906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856947) 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 23 ways as a sum of consecutive naturals, for example, 14673 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (573664).

Almost surely, 2^11856942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11856942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13767936).

11856942 is an abundant number, since it is smaller than the sum of its proper divisors (15678930).

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

11856942 is an equidigital number, since it uses as much as digits as its factorization.

11856942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 823 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 11856942 is about 3443.3910611489. The cubic root of 11856942 is about 228.0294283344.

The spelling of 11856942 in words is "eleven million, eight hundred fifty-six thousand, nine hundred forty-two".