12566201 has 8 divisors (see below), whose sum is σ = 13307520. Its totient is φ = 11832912.

The previous prime is 12566173. The next prime is 12566207. The reversal of 12566201 is 10266521.

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 12566201 - 2¹⁰ = 12565177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12566207) 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, 1376 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (1663440).

Almost surely, 2^12566201 is an apocalyptic number.

It is an amenable number.

12566201 is a deficient number, since it is larger than the sum of its proper divisors (741319).

12566201 is a wasteful number, since it uses less digits than its factorization.

12566201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12566201 is about 3544.8837780666. The cubic root of 12566201 is about 232.4884242898.

The spelling of 12566201 in words is "twelve million, five hundred sixty-six thousand, two hundred one".