12448681 has 16 divisors (see below), whose sum is σ = 14966784. Its totient is φ = 10123344.

The previous prime is 12448679. The next prime is 12448699. The reversal of 12448681 is 18684421.

It is not a de Polignac number, because 12448681 - 2¹ = 12448679 is a prime.

It is a super-2 number, since 2×12448681² = 309939317279522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12448621) 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, 26656 + ... + 27118.

It is an arithmetic number, because the mean of its divisors is an integer number (935424).

Almost surely, 2^12448681 is an apocalyptic number.

It is an amenable number.

12448681 is a deficient number, since it is larger than the sum of its proper divisors (2518103).

12448681 is a wasteful number, since it uses less digits than its factorization.

12448681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its digits is 12288, while the sum is 34.

The square root of 12448681 is about 3528.2688389634. The cubic root of 12448681 is about 231.7614037826.

The spelling of 12448681 in words is "twelve million, four hundred forty-eight thousand, six hundred eighty-one".