11859842 has 16 divisors (see below), whose sum is σ = 18090432. Its totient is φ = 5830800.

The previous prime is 11859833. The next prime is 11859847. The reversal of 11859842 is 24895811.

It is a junction number, because it is equal to n+sod(n) for n = 11859796 and 11859805.

It is not an unprimeable number, because it can be changed into a prime (11859847) 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 7 ways as a sum of consecutive naturals, for example, 52133 + ... + 52359.

It is an arithmetic number, because the mean of its divisors is an integer number (1130652).

Almost surely, 2^11859842 is an apocalyptic number.

11859842 is a deficient number, since it is larger than the sum of its proper divisors (6230590).

11859842 is a wasteful number, since it uses less digits than its factorization.

11859842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 23040, while the sum is 38.

The square root of 11859842 is about 3443.8121319259. The cubic root of 11859842 is about 228.0480174849.

The spelling of 11859842 in words is "eleven million, eight hundred fifty-nine thousand, eight hundred forty-two".