12641448 has 64 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 3960320.

The previous prime is 12641443. The next prime is 12641509. The reversal of 12641448 is 84414621.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12641443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28315 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (524475).

Almost surely, 2^12641448 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 12641448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16783200).

12641448 is an abundant number, since it is smaller than the sum of its proper divisors (20924952).

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

12641448 is a wasteful number, since it uses less digits than its factorization.

12641448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 12641448 is about 3555.4814020045. The cubic root of 12641448 is about 232.9515516304.

The spelling of 12641448 in words is "twelve million, six hundred forty-one thousand, four hundred forty-eight".