12448215 has 64 divisors (see below), whose sum is σ = 24554880. Its totient is φ = 5944320.

The previous prime is 12448213. The next prime is 12448237. The reversal of 12448215 is 51284421.

12448215 is a `hidden beast` number, since 1 + 2 + 448 + 215 = 666.

It is not a de Polignac number, because 12448215 - 2¹ = 12448213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71869 + ... + 72041.

It is an arithmetic number, because the mean of its divisors is an integer number (383670).

Almost surely, 2^12448215 is an apocalyptic number.

12448215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12448215 is a deficient number, since it is larger than the sum of its proper divisors (12106665).

12448215 is a wasteful number, since it uses less digits than its factorization.

12448215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 12448215 is about 3528.2028002937. The cubic root of 12448215 is about 231.7585118521.

The spelling of 12448215 in words is "twelve million, four hundred forty-eight thousand, two hundred fifteen".