12874517 has 6 divisors (see below), whose sum is σ = 13304214. Its totient is φ = 12458280.

The previous prime is 12874513. The next prime is 12874523. The reversal of 12874517 is 71547821.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 5262436 = 2759^2 + 2294^2 .

It is not a de Polignac number, because 12874517 - 2² = 12874513 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 (12874513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5738 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (2217369).

Almost surely, 2^12874517 is an apocalyptic number.

It is an amenable number.

12874517 is a deficient number, since it is larger than the sum of its proper divisors (429697).

12874517 is an equidigital number, since it uses as much as digits as its factorization.

12874517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459 (or 13428 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 12874517 is about 3588.1077185614. The cubic root of 12874517 is about 234.3744764907.

The spelling of 12874517 in words is "twelve million, eight hundred seventy-four thousand, five hundred seventeen".