12453445 has 8 divisors (see below), whose sum is σ = 15291936. Its totient is φ = 9730896.

The previous prime is 12453443. The next prime is 12453473. The reversal of 12453445 is 54435421.

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

It is a cyclic number.

It is not a de Polignac number, because 12453445 - 2¹ = 12453443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28747 + ... + 29176.

It is an arithmetic number, because the mean of its divisors is an integer number (1911492).

Almost surely, 2^12453445 is an apocalyptic number.

It is an amenable number.

12453445 is a deficient number, since it is larger than the sum of its proper divisors (2838491).

12453445 is an equidigital number, since it uses as much as digits as its factorization.

12453445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57971.

The product of its digits is 9600, while the sum is 28.

The square root of 12453445 is about 3528.9438930082. The cubic root of 12453445 is about 231.7909643578.

Adding to 12453445 its reverse (54435421), we get a palindrome (66888866).

The spelling of 12453445 in words is "twelve million, four hundred fifty-three thousand, four hundred forty-five".