12739417 has 8 divisors (see below), whose sum is σ = 12913920. Its totient is φ = 12566400.

The previous prime is 12739403. The next prime is 12739429. The reversal of 12739417 is 71493721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12739417 - 2⁷ = 12739289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12739487) 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 7 ways as a sum of consecutive naturals, for example, 35913 + ... + 36265.

It is an arithmetic number, because the mean of its divisors is an integer number (1614240).

Almost surely, 2^12739417 is an apocalyptic number.

It is an amenable number.

12739417 is a deficient number, since it is larger than the sum of its proper divisors (174503).

12739417 is a wasteful number, since it uses less digits than its factorization.

12739417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its digits is 10584, while the sum is 34.

The square root of 12739417 is about 3569.2319902186. The cubic root of 12739417 is about 233.5517815912.

The spelling of 12739417 in words is "twelve million, seven hundred thirty-nine thousand, four hundred seventeen".