12517343 has 4 divisors (see below), whose sum is σ = 12808488. Its totient is φ = 12226200.

The previous prime is 12517339. The next prime is 12517387. The reversal of 12517343 is 34371521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12517343 - 2² = 12517339 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 (12517243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145508 + ... + 145593.

It is an arithmetic number, because the mean of its divisors is an integer number (3202122).

Almost surely, 2^12517343 is an apocalyptic number.

12517343 is a deficient number, since it is larger than the sum of its proper divisors (291145).

12517343 is an equidigital number, since it uses as much as digits as its factorization.

12517343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291144.

The product of its digits is 2520, while the sum is 26.

The square root of 12517343 is about 3537.9857263703. The cubic root of 12517343 is about 232.1867241801.

Adding to 12517343 its reverse (34371521), we get a palindrome (46888864).

The spelling of 12517343 in words is "twelve million, five hundred seventeen thousand, three hundred forty-three".