12820301 has 4 divisors (see below), whose sum is σ = 13806492. Its totient is φ = 11834112.

The previous prime is 12820289. The next prime is 12820303. The reversal of 12820301 is 10302821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10302821 = 1303 ⋅7907.

It can be written as a sum of positive squares in 2 ways, for example, as 8094025 + 4726276 = 2845^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 12820301 - 2²² = 8625997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12820301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820303) 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, 493076 + ... + 493101.

It is an arithmetic number, because the mean of its divisors is an integer number (3451623).

Almost surely, 2^12820301 is an apocalyptic number.

It is an amenable number.

12820301 is a deficient number, since it is larger than the sum of its proper divisors (986191).

12820301 is an equidigital number, since it uses as much as digits as its factorization.

12820301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986190.

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

The square root of 12820301 is about 3580.5447909501. The cubic root of 12820301 is about 234.0450214102.

The spelling of 12820301 in words is "twelve million, eight hundred twenty thousand, three hundred one".