12723893 has 16 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 9792576.

The previous prime is 12723889. The next prime is 12723917. The reversal of 12723893 is 39832721.

It is a cyclic number.

It is not a de Polignac number, because 12723893 - 2² = 12723889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723833) 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 15 ways as a sum of consecutive naturals, for example, 1478 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^12723893 is an apocalyptic number.

12723893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12723893 is a deficient number, since it is larger than the sum of its proper divisors (3363787).

12723893 is a wasteful number, since it uses less digits than its factorization.

12723893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836.

The product of its digits is 18144, while the sum is 35.

The square root of 12723893 is about 3567.0566297719. The cubic root of 12723893 is about 233.4568758465.

The spelling of 12723893 in words is "twelve million, seven hundred twenty-three thousand, eight hundred ninety-three".