12448656 has 120 divisors (see below), whose sum is σ = 39461760. Its totient is φ = 3628800.

The previous prime is 12448651. The next prime is 12448661. The reversal of 12448656 is 65684421.

12448656 is a `hidden beast` number, since 124 + 486 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (12448651) and next prime (12448661).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12448656.

It is not an unprimeable number, because it can be changed into a prime (12448651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45801 + ... + 46071.

It is an arithmetic number, because the mean of its divisors is an integer number (328848).

Almost surely, 2^12448656 is an apocalyptic number.

12448656 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 12448656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19730880).

12448656 is an abundant number, since it is smaller than the sum of its proper divisors (27013104).

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

12448656 is a wasteful number, since it uses less digits than its factorization.

12448656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 316 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 12448656 is about 3528.2652961477. The cubic root of 12448656 is about 231.7612486380.

The spelling of 12448656 in words is "twelve million, four hundred forty-eight thousand, six hundred fifty-six".