12873493 has 4 divisors (see below), whose sum is σ = 12907840. Its totient is φ = 12839148.

The previous prime is 12873481. The next prime is 12873499. The reversal of 12873493 is 39437821.

12873493 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39437821 = 269 ⋅146609.

It is a cyclic number.

It is not a de Polignac number, because 12873493 - 2⁵ = 12873461 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 (12873499) 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, 16605 + ... + 17362.

It is an arithmetic number, because the mean of its divisors is an integer number (3226960).

Almost surely, 2^12873493 is an apocalyptic number.

It is an amenable number.

12873493 is a deficient number, since it is larger than the sum of its proper divisors (34347).

12873493 is an equidigital number, since it uses as much as digits as its factorization.

12873493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34346.

The product of its digits is 36288, while the sum is 37.

The square root of 12873493 is about 3587.9650221261. The cubic root of 12873493 is about 234.3682625145.

It can be divided in two parts, 12873 and 493, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12873493 in words is "twelve million, eight hundred seventy-three thousand, four hundred ninety-three".