12159456 has 48 divisors (see below), whose sum is σ = 33312384. Its totient is φ = 3876224.

The previous prime is 12159451. The next prime is 12159461. The reversal of 12159456 is 65495121.

It is an interprime number because it is at equal distance from previous prime (12159451) and next prime (12159461).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12159451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (694008).

Almost surely, 2^12159456 is an apocalyptic number.

12159456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12159456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656192).

12159456 is an abundant number, since it is smaller than the sum of its proper divisors (21152928).

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

12159456 is a wasteful number, since it uses less digits than its factorization.

12159456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5535 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 12159456 is about 3487.0411526106. The cubic root of 12159456 is about 229.9524539400.

The spelling of 12159456 in words is "twelve million, one hundred fifty-nine thousand, four hundred fifty-six".