12667201 has 4 divisors (see below), whose sum is σ = 12720004. Its totient is φ = 12614400.

The previous prime is 12667183. The next prime is 12667223. The reversal of 12667201 is 10276621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 2433600 = 3199^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 12667201 - 2¹⁷ = 12536129 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 3 ways as a sum of consecutive naturals, for example, 26040 + ... + 26521.

It is an arithmetic number, because the mean of its divisors is an integer number (3180001).

Almost surely, 2^12667201 is an apocalyptic number.

It is an amenable number.

12667201 is a deficient number, since it is larger than the sum of its proper divisors (52803).

12667201 is an equidigital number, since it uses as much as digits as its factorization.

12667201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52802.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12667201 is about 3559.1011505716. The cubic root of 12667201 is about 233.1096329958.

The spelling of 12667201 in words is "twelve million, six hundred sixty-seven thousand, two hundred one".