12444893 has 2 divisors, whose sum is σ = 12444894. Its totient is φ = 12444892.

The previous prime is 12444889. The next prime is 12444911. The reversal of 12444893 is 39844421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 597529 = 3442^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 12444893 - 2² = 12444889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222446 + 6222447.

It is an arithmetic number, because the mean of its divisors is an integer number (6222447).

Almost surely, 2^12444893 is an apocalyptic number.

It is an amenable number.

12444893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444893 is an equidigital number, since it uses as much as digits as its factorization.

12444893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 12444893 is about 3527.7319909540. The cubic root of 12444893 is about 231.7378938954.

The spelling of 12444893 in words is "twelve million, four hundred forty-four thousand, eight hundred ninety-three".