12517429 has 4 divisors (see below), whose sum is σ = 12808576. Its totient is φ = 12226284.

The previous prime is 12517403. The next prime is 12517481. The reversal of 12517429 is 92471521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12517429 - 2⁷ = 12517301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12517429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517489) 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 3 ways as a sum of consecutive naturals, for example, 145509 + ... + 145594.

It is an arithmetic number, because the mean of its divisors is an integer number (3202144).

Almost surely, 2^12517429 is an apocalyptic number.

It is an amenable number.

12517429 is a deficient number, since it is larger than the sum of its proper divisors (291147).

12517429 is an equidigital number, since it uses as much as digits as its factorization.

12517429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291146.

The product of its digits is 5040, while the sum is 31.

The square root of 12517429 is about 3537.9978801576. The cubic root of 12517429 is about 232.1872559227.

The spelling of 12517429 in words is "twelve million, five hundred seventeen thousand, four hundred twenty-nine".