12446456 has 32 divisors (see below), whose sum is σ = 25850880. Its totient is φ = 5570400.

The previous prime is 12446453. The next prime is 12446459. The reversal of 12446456 is 65464421.

It is an interprime number because it is at equal distance from previous prime (12446453) and next prime (12446459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (807840).

Almost surely, 2^12446456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12446456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12925440).

12446456 is an abundant number, since it is smaller than the sum of its proper divisors (13404424).

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

12446456 is a wasteful number, since it uses less digits than its factorization.

12446456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2191 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 12446456 is about 3527.9535144330. The cubic root of 12446456 is about 231.7475950948.

The spelling of 12446456 in words is "twelve million, four hundred forty-six thousand, four hundred fifty-six".