12986673 has 8 divisors (see below), whose sum is σ = 19789248. Its totient is φ = 7420944.

The previous prime is 12986669. The next prime is 12986689. The reversal of 12986673 is 37668921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12986673 - 2² = 12986669 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12986653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309186 + ... + 309227.

It is an arithmetic number, because the mean of its divisors is an integer number (2473656).

Almost surely, 2^12986673 is an apocalyptic number.

It is an amenable number.

12986673 is a deficient number, since it is larger than the sum of its proper divisors (6802575).

12986673 is an equidigital number, since it uses as much as digits as its factorization.

12986673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618423.

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

The square root of 12986673 is about 3603.7026791898. The cubic root of 12986673 is about 235.0530919730.

The spelling of 12986673 in words is "twelve million, nine hundred eighty-six thousand, six hundred seventy-three".