12667073 has 8 divisors (see below), whose sum is σ = 13022856. Its totient is φ = 12313600.

The previous prime is 12667063. The next prime is 12667093. The reversal of 12667073 is 37076621.

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 12623809 = 208^2 + 3553^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12667073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12667013) 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, 21065 + ... + 21657.

It is an arithmetic number, because the mean of its divisors is an integer number (1627857).

Almost surely, 2^12667073 is an apocalyptic number.

It is an amenable number.

12667073 is a deficient number, since it is larger than the sum of its proper divisors (355783).

12667073 is an equidigital number, since it uses as much as digits as its factorization.

12667073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 12667073 is about 3559.0831684579. The cubic root of 12667073 is about 233.1088478149.

The spelling of 12667073 in words is "twelve million, six hundred sixty-seven thousand, seventy-three".