12305801 has 4 divisors (see below), whose sum is σ = 12328452. Its totient is φ = 12283152.

The previous prime is 12305789. The next prime is 12305803. The reversal of 12305801 is 10850321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10850321 = 29 ⋅374149.

It can be written as a sum of positive squares in 2 ways, for example, as 6175225 + 6130576 = 2485^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 12305801 - 2¹⁰ = 12304777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12305803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10490 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (3082113).

Almost surely, 2^12305801 is an apocalyptic number.

It is an amenable number.

12305801 is a deficient number, since it is larger than the sum of its proper divisors (22651).

12305801 is an equidigital number, since it uses as much as digits as its factorization.

12305801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22650.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12305801 is about 3507.9625140529. The cubic root of 12305801 is about 230.8713075395.

The spelling of 12305801 in words is "twelve million, three hundred five thousand, eight hundred one".