12101317 has 4 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 11955436.

The previous prime is 12101303. The next prime is 12101329. The reversal of 12101317 is 71310121.

12101317 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71310121 = 17 ⋅4194713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101317 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 12101317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101357) 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, 72817 + ... + 72982.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^12101317 is an apocalyptic number.

It is an amenable number.

12101317 is a deficient number, since it is larger than the sum of its proper divisors (145883).

12101317 is an equidigital number, since it uses as much as digits as its factorization.

12101317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145882.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12101317 is about 3478.6947264743. The cubic root of 12101317 is about 229.5853714472.

Adding to 12101317 its reverse (71310121), we get a palindrome (83411438).

The spelling of 12101317 in words is "twelve million, one hundred one thousand, three hundred seventeen".