12718417 has 8 divisors (see below), whose sum is σ = 13121856. Its totient is φ = 12318192.

The previous prime is 12718403. The next prime is 12718451. The reversal of 12718417 is 71481721.

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 12718417 - 2¹¹ = 12716369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718457) 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, 9078 + ... + 10384.

It is an arithmetic number, because the mean of its divisors is an integer number (1640232).

Almost surely, 2^12718417 is an apocalyptic number.

It is an amenable number.

12718417 is a deficient number, since it is larger than the sum of its proper divisors (403439).

12718417 is a wasteful number, since it uses less digits than its factorization.

12718417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its digits is 3136, while the sum is 31.

The square root of 12718417 is about 3566.2889675403. The cubic root of 12718417 is about 233.4233799845.

The spelling of 12718417 in words is "twelve million, seven hundred eighteen thousand, four hundred seventeen".