12327445 has 8 divisors (see below), whose sum is σ = 15930936. Its totient is φ = 9103296.

The previous prime is 12327421. The next prime is 12327451. The reversal of 12327445 is 54472321.

It can be written as a sum of positive squares in 4 ways, for example, as 324 + 12327121 = 18^2 + 3511^2 .

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 12327445 - 2⁷ = 12327317 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

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, 94762 + ... + 94891.

It is an arithmetic number, because the mean of its divisors is an integer number (1991367).

Almost surely, 2^12327445 is an apocalyptic number.

It is an amenable number.

12327445 is a deficient number, since it is larger than the sum of its proper divisors (3603491).

12327445 is a wasteful number, since it uses less digits than its factorization.

12327445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189671.

The product of its digits is 6720, while the sum is 28.

The square root of 12327445 is about 3511.0461403975. The cubic root of 12327445 is about 231.0065838969.

Adding to 12327445 its reverse (54472321), we get a palindrome (66799766).

The spelling of 12327445 in words is "twelve million, three hundred twenty-seven thousand, four hundred forty-five".