12493943 has 16 divisors (see below), whose sum is σ = 15671040. Its totient is φ = 9676800.

The previous prime is 12493939. The next prime is 12493967. The reversal of 12493943 is 34939421.

It is not a de Polignac number, because 12493943 - 2² = 12493939 is a prime.

It is a super-2 number, since 2×12493943² = 312197223374498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12493933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15863 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (979440).

Almost surely, 2^12493943 is an apocalyptic number.

12493943 is a deficient number, since it is larger than the sum of its proper divisors (3177097).

12493943 is a wasteful number, since it uses less digits than its factorization.

12493943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its digits is 23328, while the sum is 35.

The square root of 12493943 is about 3534.6772129856. The cubic root of 12493943 is about 232.0419501529.

The spelling of 12493943 in words is "twelve million, four hundred ninety-three thousand, nine hundred forty-three".