12673689 has 16 divisors (see below), whose sum is σ = 19532160. Its totient is φ = 7159680.

The previous prime is 12673681. The next prime is 12673697. The reversal of 12673689 is 98637621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12673681) and next prime (12673697).

It is not a de Polignac number, because 12673689 - 2³ = 12673681 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12673689.

It is not an unprimeable number, because it can be changed into a prime (12673681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (1220760).

Almost surely, 2^12673689 is an apocalyptic number.

It is an amenable number.

12673689 is a deficient number, since it is larger than the sum of its proper divisors (6858471).

12673689 is an equidigital number, since it uses as much as digits as its factorization.

12673689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880.

The product of its digits is 108864, while the sum is 42.

The square root of 12673689 is about 3560.0124999781. The cubic root of 12673689 is about 233.1494249266.

The spelling of 12673689 in words is "twelve million, six hundred seventy-three thousand, six hundred eighty-nine".