12317801 has 4 divisors (see below), whose sum is σ = 12486612. Its totient is φ = 12148992.

The previous prime is 12317797. The next prime is 12317803. The reversal of 12317801 is 10871321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5290000 + 7027801 = 2300^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 12317801 - 2² = 12317797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12317803) 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, 84296 + ... + 84441.

It is an arithmetic number, because the mean of its divisors is an integer number (3121653).

Almost surely, 2^12317801 is an apocalyptic number.

It is an amenable number.

12317801 is a deficient number, since it is larger than the sum of its proper divisors (168811).

12317801 is an equidigital number, since it uses as much as digits as its factorization.

12317801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168810.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12317801 is about 3509.6724918431. The cubic root of 12317801 is about 230.9463278664.

The spelling of 12317801 in words is "twelve million, three hundred seventeen thousand, eight hundred one".