12493844 has 24 divisors (see below), whose sum is σ = 25256448. Its totient is φ = 5344640.

The previous prime is 12493841. The next prime is 12493847. The reversal of 12493844 is 44839421.

It is an interprime number because it is at equal distance from previous prime (12493841) and next prime (12493847).

It is a super-2 number, since 2×12493844² = 312192275792672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12493841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7604 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352).

Almost surely, 2^12493844 is an apocalyptic number.

It is an amenable number.

12493844 is an abundant number, since it is smaller than the sum of its proper divisors (12762604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12493844 is a wasteful number, since it uses less digits than its factorization.

12493844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735 (or 16733 counting only the distinct ones).

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

The square root of 12493844 is about 3534.6632088503. The cubic root of 12493844 is about 232.0413372636.

The spelling of 12493844 in words is "twelve million, four hundred ninety-three thousand, eight hundred forty-four".