12506433 has 8 divisors (see below), whose sum is σ = 16903968. Its totient is φ = 8223264.

The previous prime is 12506401. The next prime is 12506447. The reversal of 12506433 is 33460521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12506433 - 2⁵ = 12506401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12506233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28335 + ... + 28772.

It is an arithmetic number, because the mean of its divisors is an integer number (2112996).

Almost surely, 2^12506433 is an apocalyptic number.

It is an amenable number.

12506433 is a deficient number, since it is larger than the sum of its proper divisors (4397535).

12506433 is an equidigital number, since it uses as much as digits as its factorization.

12506433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57183.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 12506433 is about 3536.4435524973. The cubic root of 12506433 is about 232.1192473075.

Adding to 12506433 its reverse (33460521), we get a palindrome (45966954).

The spelling of 12506433 in words is "twelve million, five hundred six thousand, four hundred thirty-three".