12445005 has 16 divisors (see below), whose sum is σ = 20004480. Its totient is φ = 6606528.

The previous prime is 12444979. The next prime is 12445009. The reversal of 12445005 is 50054421.

It is not a de Polignac number, because 12445005 - 2⁶ = 12444941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (1250280).

Almost surely, 2^12445005 is an apocalyptic number.

12445005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12445005 is a deficient number, since it is larger than the sum of its proper divisors (7559475).

12445005 is a wasteful number, since it uses less digits than its factorization.

12445005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12445005 is about 3527.7478651400. The cubic root of 12445005 is about 231.7385890819.

Adding to 12445005 its reverse (50054421), we get a palindrome (62499426).

The spelling of 12445005 in words is "twelve million, four hundred forty-five thousand, five".