12904201 has 4 divisors (see below), whose sum is σ = 13037332. Its totient is φ = 12771072.

The previous prime is 12904193. The next prime is 12904223. The reversal of 12904201 is 10240921.

12904201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10240921 = 283 ⋅36187.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 10725625 = 1476^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12904201 - 2³ = 12904193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12904271) 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, 66420 + ... + 66613.

It is an arithmetic number, because the mean of its divisors is an integer number (3259333).

Almost surely, 2^12904201 is an apocalyptic number.

It is an amenable number.

12904201 is a deficient number, since it is larger than the sum of its proper divisors (133131).

12904201 is an equidigital number, since it uses as much as digits as its factorization.

12904201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133130.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12904201 is about 3592.2417791680. The cubic root of 12904201 is about 234.5544659455.

It can be divided in two parts, 1290420 and 1, that added together give a triangular number (1290421 = T₁₆₀₆).

The spelling of 12904201 in words is "twelve million, nine hundred four thousand, two hundred one".