12653117 has 4 divisors (see below), whose sum is σ = 13397436. Its totient is φ = 11908800.

The previous prime is 12653111. The next prime is 12653119. The reversal of 12653117 is 71135621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71135621 = 127 ⋅560123.

It can be written as a sum of positive squares in 2 ways, for example, as 10278436 + 2374681 = 3206^2 + 1541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12653117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653111) 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, 372134 + ... + 372167.

It is an arithmetic number, because the mean of its divisors is an integer number (3349359).

Almost surely, 2^12653117 is an apocalyptic number.

12653117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12653117 is a deficient number, since it is larger than the sum of its proper divisors (744319).

12653117 is an equidigital number, since it uses as much as digits as its factorization.

12653117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744318.

The product of its digits is 1260, while the sum is 26.

The square root of 12653117 is about 3557.1220108397. The cubic root of 12653117 is about 233.0232068101.

Adding to 12653117 its reverse (71135621), we get a palindrome (83788738).

The spelling of 12653117 in words is "twelve million, six hundred fifty-three thousand, one hundred seventeen".