12968823 has 16 divisors (see below), whose sum is σ = 19815680. Its totient is φ = 7390656.

The previous prime is 12968821. The next prime is 12968861. The reversal of 12968823 is 32886921.

It is a happy number.

It is not a de Polignac number, because 12968823 - 2¹ = 12968821 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12968821) 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, 10923 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (1238480).

Almost surely, 2^12968823 is an apocalyptic number.

12968823 is a deficient number, since it is larger than the sum of its proper divisors (6846857).

12968823 is a wasteful number, since it uses less digits than its factorization.

12968823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its digits is 41472, while the sum is 39.

The square root of 12968823 is about 3601.2252081757. The cubic root of 12968823 is about 234.9453502014.

The spelling of 12968823 in words is "twelve million, nine hundred sixty-eight thousand, eight hundred twenty-three".