12250433 has 4 divisors (see below), whose sum is σ = 13192788. Its totient is φ = 11308080.

The previous prime is 12250397. The next prime is 12250463. The reversal of 12250433 is 33405221.

It is a happy number.

12250433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 744769 + 11505664 = 863^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 12250433 - 2⁶ = 12250369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12250463) 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 3 ways as a sum of consecutive naturals, for example, 471158 + ... + 471183.

It is an arithmetic number, because the mean of its divisors is an integer number (3298197).

Almost surely, 2^12250433 is an apocalyptic number.

12250433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12250433 is a deficient number, since it is larger than the sum of its proper divisors (942355).

12250433 is an equidigital number, since it uses as much as digits as its factorization.

12250433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942354.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12250433 is about 3500.0618565963. The cubic root of 12250433 is about 230.5245306511.

Adding to 12250433 its reverse (33405221), we get a palindrome (45655654).

The spelling of 12250433 in words is "twelve million, two hundred fifty thousand, four hundred thirty-three".