12563433 has 12 divisors (see below), whose sum is σ = 18254340. Its totient is φ = 8326176.

The previous prime is 12563417. The next prime is 12563437. The reversal of 12563433 is 33436521.

It is a happy number.

12563433 is a `hidden beast` number, since 1 + 25 + 634 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4678569 + 7884864 = 2163^2 + 2808^2 .

It is not a de Polignac number, because 12563433 - 2⁴ = 12563417 is a prime.

It is a super-3 number, since 3×12563433³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12563397 and 12563406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563437) 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 11 ways as a sum of consecutive naturals, for example, 2478 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (1521195).

Almost surely, 2^12563433 is an apocalyptic number.

It is an amenable number.

12563433 is a deficient number, since it is larger than the sum of its proper divisors (5690907).

12563433 is a wasteful number, since it uses less digits than its factorization.

12563433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248 (or 8245 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 12563433 is about 3544.4933347377. The cubic root of 12563433 is about 232.4713526965.

Adding to 12563433 its reverse (33436521), we get a palindrome (45999954).

It can be divided in two parts, 12563 and 433, that added together give a square (12996 = 114²).

The spelling of 12563433 in words is "twelve million, five hundred sixty-three thousand, four hundred thirty-three".