12641201 has 4 divisors (see below), whose sum is σ = 12698112. Its totient is φ = 12584292.

The previous prime is 12641179. The next prime is 12641203. The reversal of 12641201 is 10214621.

12641201 = T₂₁₉ + T₂₂₀ + ... + T₄₄₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12641201 - 2¹⁴ = 12624817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12641201.

It is not an unprimeable number, because it can be changed into a prime (12641203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28121 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (3174528).

Almost surely, 2^12641201 is an apocalyptic number.

It is an amenable number.

12641201 is a deficient number, since it is larger than the sum of its proper divisors (56911).

12641201 is an equidigital number, since it uses as much as digits as its factorization.

12641201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56910.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12641201 is about 3555.4466667354. The cubic root of 12641201 is about 232.9500344148.

Adding to 12641201 its reverse (10214621), we get a palindrome (22855822).

The spelling of 12641201 in words is "twelve million, six hundred forty-one thousand, two hundred one".