12647448 has 64 divisors (see below), whose sum is σ = 38332800. Its totient is φ = 3831840.

The previous prime is 12647419. The next prime is 12647477. The reversal of 12647448 is 84474621.

12647448 is a `hidden beast` number, since 1 + 2 + 647 + 4 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (12647419) and next prime (12647477).

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (598950).

Almost surely, 2^12647448 is an apocalyptic number.

12647448 is a gapful number since it is divisible by the number (18) 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 12647448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19166400).

12647448 is an abundant number, since it is smaller than the sum of its proper divisors (25685352).

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

12647448 is a wasteful number, since it uses less digits than its factorization.

12647448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349 (or 5339 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 12647448 is about 3556.3250695064. The cubic root of 12647448 is about 232.9884010018.

It can be divided in two parts, 126 and 47448, that added together give a palindrome (47574).

The spelling of 12647448 in words is "twelve million, six hundred forty-seven thousand, four hundred forty-eight".