12444605 has 16 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 9721920.

The previous prime is 12444571. The next prime is 12444611. The reversal of 12444605 is 50644421.

It is not a de Polignac number, because 12444605 - 2¹⁸ = 12182461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65060 + ... + 65250.

It is an arithmetic number, because the mean of its divisors is an integer number (955584).

Almost surely, 2^12444605 is an apocalyptic number.

It is an amenable number.

12444605 is a deficient number, since it is larger than the sum of its proper divisors (2844739).

12444605 is a wasteful number, since it uses less digits than its factorization.

12444605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 12444605 is about 3527.6911712904. The cubic root of 12444605 is about 231.7361062537.

The spelling of 12444605 in words is "twelve million, four hundred forty-four thousand, six hundred five".