12740117 has 8 divisors (see below), whose sum is σ = 13925856. Its totient is φ = 11583792.

The previous prime is 12740113. The next prime is 12740129. The reversal of 12740117 is 71104721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12740117 - 2² = 12740113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12740092 and 12740101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (1740732).

Almost surely, 2^12740117 is an apocalyptic number.

It is an amenable number.

12740117 is a deficient number, since it is larger than the sum of its proper divisors (1185739).

12740117 is a wasteful number, since it uses less digits than its factorization.

12740117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14707.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 12740117 is about 3569.3300491829. The cubic root of 12740117 is about 233.5560592138.

Adding to 12740117 its reverse (71104721), we get a palindrome (83844838).

The spelling of 12740117 in words is "twelve million, seven hundred forty thousand, one hundred seventeen".