12873349 has 4 divisors (see below), whose sum is σ = 12908236. Its totient is φ = 12838464.

The previous prime is 12873337. The next prime is 12873391. The reversal of 12873349 is 94337821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94337821 = 193 ⋅488797.

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 3448449 = 3070^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 12873349 - 2¹³ = 12865157 is a prime.

It is a super-2 number, since 2×12873349² = 331446228951602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873319) 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 3 ways as a sum of consecutive naturals, for example, 16884 + ... + 17629.

It is an arithmetic number, because the mean of its divisors is an integer number (3227059).

Almost surely, 2^12873349 is an apocalyptic number.

It is an amenable number.

12873349 is a deficient number, since it is larger than the sum of its proper divisors (34887).

12873349 is an equidigital number, since it uses as much as digits as its factorization.

12873349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34886.

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

The square root of 12873349 is about 3587.9449549847. The cubic root of 12873349 is about 234.3673886476.

The spelling of 12873349 in words is "twelve million, eight hundred seventy-three thousand, three hundred forty-nine".