12504433 has 4 divisors (see below), whose sum is σ = 13048128. Its totient is φ = 11960740.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504433 is 33440521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12504433 - 2¹ = 12504431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271813 + ... + 271858.

It is an arithmetic number, because the mean of its divisors is an integer number (3262032).

Almost surely, 2^12504433 is an apocalyptic number.

It is an amenable number.

12504433 is a deficient number, since it is larger than the sum of its proper divisors (543695).

12504433 is an equidigital number, since it uses as much as digits as its factorization.

12504433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543694.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12504433 is about 3536.1607712320. The cubic root of 12504433 is about 232.1068733225.

Adding to 12504433 its reverse (33440521), we get a palindrome (45944954).

The spelling of 12504433 in words is "twelve million, five hundred four thousand, four hundred thirty-three".