12448865 has 32 divisors (see below), whose sum is σ = 18337536. Its totient is φ = 7983360.

The previous prime is 12448853. The next prime is 12448867. The reversal of 12448865 is 56884421.

It is a happy number.

It is not a de Polignac number, because 12448865 - 2⁸ = 12448609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12448867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16067 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (573048).

Almost surely, 2^12448865 is an apocalyptic number.

It is an amenable number.

12448865 is a deficient number, since it is larger than the sum of its proper divisors (5888671).

12448865 is a wasteful number, since it uses less digits than its factorization.

12448865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its digits is 61440, while the sum is 38.

The square root of 12448865 is about 3528.2949139776. The cubic root of 12448865 is about 231.7625456409.

Subtracting 12448865 from its reverse (56884421), we obtain a square (44435556 = 6666²).

The spelling of 12448865 in words is "twelve million, four hundred forty-eight thousand, eight hundred sixty-five".