12823087 has 4 divisors (see below), whose sum is σ = 12940840. Its totient is φ = 12705336.

The previous prime is 12823079. The next prime is 12823093. The reversal of 12823087 is 78032821.

12823087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12823087 - 2³ = 12823079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12823487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58713 + ... + 58930.

It is an arithmetic number, because the mean of its divisors is an integer number (3235210).

Almost surely, 2^12823087 is an apocalyptic number.

12823087 is a deficient number, since it is larger than the sum of its proper divisors (117753).

12823087 is a wasteful number, since it uses less digits than its factorization.

12823087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117752.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12823087 is about 3580.9338167579. The cubic root of 12823087 is about 234.0619737475.

The spelling of 12823087 in words is "twelve million, eight hundred twenty-three thousand, eighty-seven".