12863224 has 16 divisors (see below), whose sum is σ = 26311320. Its totient is φ = 5846880.

The previous prime is 12863177. The next prime is 12863251. The reversal of 12863224 is 42236821.

It is a junction number, because it is equal to n+sod(n) for n = 12863192 and 12863201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72999 + ... + 73174.

Almost surely, 2^12863224 is an apocalyptic number.

It is an amenable number.

12863224 is an abundant number, since it is smaller than the sum of its proper divisors (13448096).

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

12863224 is a wasteful number, since it uses less digits than its factorization.

12863224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146190 (or 146186 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 12863224 is about 3586.5337026159. The cubic root of 12863224 is about 234.3059285411.

The spelling of 12863224 in words is "twelve million, eight hundred sixty-three thousand, two hundred twenty-four".