12817275 has 48 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 6428800.

The previous prime is 12817213. The next prime is 12817307. The reversal of 12817275 is 57271821.

It is not a de Polignac number, because 12817275 - 2¹¹ = 12815227 is a prime.

Its product of digits (7840) is a multiple of the sum of its prime factors (196).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154384 + ... + 154466.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^12817275 is an apocalyptic number.

12817275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12817275 is a deficient number, since it is larger than the sum of its proper divisors (9681285).

12817275 is a wasteful number, since it uses less digits than its factorization.

12817275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 191 counting only the distinct ones).

The product of its digits is 7840, while the sum is 33.

The square root of 12817275 is about 3580.1222046182. The cubic root of 12817275 is about 234.0266059309.

The spelling of 12817275 in words is "twelve million, eight hundred seventeen thousand, two hundred seventy-five".