12673289 has 4 divisors (see below), whose sum is σ = 12785556. Its totient is φ = 12561024.

The previous prime is 12673249. The next prime is 12673291. The reversal of 12673289 is 98237621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98237621 = 6151 ⋅15971.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 9504889 = 1780^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 12673289 - 2¹² = 12669193 is a prime.

It is a super-2 number, since 2×12673289² = 321224508155042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12673249) 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, 55964 + ... + 56189.

It is an arithmetic number, because the mean of its divisors is an integer number (3196389).

Almost surely, 2^12673289 is an apocalyptic number.

It is an amenable number.

12673289 is a deficient number, since it is larger than the sum of its proper divisors (112267).

12673289 is a wasteful number, since it uses less digits than its factorization.

12673289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112266.

The product of its digits is 36288, while the sum is 38.

The square root of 12673289 is about 3559.9563199567. The cubic root of 12673289 is about 233.1469720562.

The spelling of 12673289 in words is "twelve million, six hundred seventy-three thousand, two hundred eighty-nine".