12467856 has 40 divisors (see below), whose sum is σ = 32517760. Its totient is φ = 4116096.

The previous prime is 12467849. The next prime is 12467867. The reversal of 12467856 is 65876421.

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 7 ways as a sum of consecutive naturals, for example, 4041 + ... + 6423.

It is an arithmetic number, because the mean of its divisors is an integer number (812944).

Almost surely, 2^12467856 is an apocalyptic number.

12467856 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 12467856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16258880).

12467856 is an abundant number, since it is smaller than the sum of its proper divisors (20049904).

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

12467856 is a wasteful number, since it uses less digits than its factorization.

12467856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2497 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 12467856 is about 3530.9851316594. The cubic root of 12467856 is about 231.8803386085.

The spelling of 12467856 in words is "twelve million, four hundred sixty-seven thousand, eight hundred fifty-six".