12617371 has 8 divisors (see below), whose sum is σ = 13670720. Its totient is φ = 11644776.

The previous prime is 12617369. The next prime is 12617377. The reversal of 12617371 is 17371621.

It is not a de Polignac number, because 12617371 - 2¹ = 12617369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12617377) 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, 675 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1708840).

Almost surely, 2^12617371 is an apocalyptic number.

12617371 is a deficient number, since it is larger than the sum of its proper divisors (1053349).

12617371 is an frugal number, since it uses more digits than its factorization.

12617371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782 (or 5756 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 12617371 is about 3552.0938895249. The cubic root of 12617371 is about 232.8035638598.

Adding to 12617371 its reverse (17371621), we get a palindrome (29988992).

The spelling of 12617371 in words is "twelve million, six hundred seventeen thousand, three hundred seventy-one".