12444923 has 4 divisors (see below), whose sum is σ = 12454200. Its totient is φ = 12435648.

The previous prime is 12444911. The next prime is 12444941. The reversal of 12444923 is 32944421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12444923 - 2¹⁶ = 12379387 is a prime.

It is a super-2 number, since 2×12444923² = 309752216951858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (3113550).

Almost surely, 2^12444923 is an apocalyptic number.

12444923 is a deficient number, since it is larger than the sum of its proper divisors (9277).

12444923 is an equidigital number, since it uses as much as digits as its factorization.

12444923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its digits is 6912, while the sum is 29.

The square root of 12444923 is about 3527.7362429751. The cubic root of 12444923 is about 231.7380801065.

The spelling of 12444923 in words is "twelve million, four hundred forty-four thousand, nine hundred twenty-three".