12843493 has 6 divisors (see below), whose sum is σ = 13907634. Its totient is φ = 11855376.

The previous prime is 12843451. The next prime is 12843529. The reversal of 12843493 is 39434821.

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 12830724 = 113^2 + 3582^2 .

It is not a de Polignac number, because 12843493 - 2⁹ = 12842981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12840493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37830 + ... + 38167.

It is an arithmetic number, because the mean of its divisors is an integer number (2317939).

Almost surely, 2^12843493 is an apocalyptic number.

12843493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12843493 is a deficient number, since it is larger than the sum of its proper divisors (1064141).

12843493 is an equidigital number, since it uses as much as digits as its factorization.

12843493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76023 (or 76010 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 12843493 is about 3583.7819409110. The cubic root of 12843493 is about 234.1860660015.

The spelling of 12843493 in words is "twelve million, eight hundred forty-three thousand, four hundred ninety-three".