12873023 has 4 divisors (see below), whose sum is σ = 12880560. Its totient is φ = 12865488.

The previous prime is 12873019. The next prime is 12873041. The reversal of 12873023 is 32037821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12873023 - 2² = 12873019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12872983 and 12873001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (3220140).

Almost surely, 2^12873023 is an apocalyptic number.

12873023 is a deficient number, since it is larger than the sum of its proper divisors (7537).

12873023 is an equidigital number, since it uses as much as digits as its factorization.

12873023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12873023 is about 3587.8995247916. The cubic root of 12873023 is about 234.3654102862.

The spelling of 12873023 in words is "twelve million, eight hundred seventy-three thousand, twenty-three".