12667273 has 8 divisors (see below), whose sum is σ = 13275648. Its totient is φ = 12063744.

The previous prime is 12667271. The next prime is 12667301. The reversal of 12667273 is 37276621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12667273 - 2¹ = 12667271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12667271) 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, 4840 + ... + 6982.

It is an arithmetic number, because the mean of its divisors is an integer number (1659456).

Almost surely, 2^12667273 is an apocalyptic number.

It is an amenable number.

12667273 is a deficient number, since it is larger than the sum of its proper divisors (608375).

12667273 is a wasteful number, since it uses less digits than its factorization.

12667273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its digits is 21168, while the sum is 34.

The square root of 12667273 is about 3559.1112654706. Note that the first 3 decimals coincide. The cubic root of 12667273 is about 233.1100746577.

The spelling of 12667273 in words is "twelve million, six hundred sixty-seven thousand, two hundred seventy-three".