12159846 has 24 divisors (see below), whose sum is σ = 26544024. Its totient is φ = 4022880.

The previous prime is 12159827. The next prime is 12159853. The reversal of 12159846 is 64895121.

12159846 is a `hidden beast` number, since 1 + 21 + 598 + 46 = 666.

12159846 is a nontrivial binomial coefficient, being equal to C(4932, 2).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 12159846.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (1106001).

Almost surely, 2^12159846 is an apocalyptic number.

12159846 is the 4931-st triangular number and also the 2466-th hexagonal number.

12159846 is an abundant number, since it is smaller than the sum of its proper divisors (14384178).

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

12159846 is a wasteful number, since it uses less digits than its factorization.

12159846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076 (or 5073 counting only the distinct ones).

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

The square root of 12159846 is about 3487.0970734982. The cubic root of 12159846 is about 229.9549123970.

The spelling of 12159846 in words is "twelve million, one hundred fifty-nine thousand, eight hundred forty-six".