12444663 has 32 divisors (see below), whose sum is σ = 21911040. Its totient is φ = 6082560.

The previous prime is 12444661. The next prime is 12444701. The reversal of 12444663 is 36644421.

It is not a de Polignac number, because 12444663 - 2¹ = 12444661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12444663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2343 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (684720).

Almost surely, 2^12444663 is an apocalyptic number.

12444663 is a deficient number, since it is larger than the sum of its proper divisors (9466377).

12444663 is a wasteful number, since it uses less digits than its factorization.

12444663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207.

The product of its digits is 13824, while the sum is 30.

The square root of 12444663 is about 3527.6993919550. The cubic root of 12444663 is about 231.7364662671.

The spelling of 12444663 in words is "twelve million, four hundred forty-four thousand, six hundred sixty-three".