12679617 has 12 divisors (see below), whose sum is σ = 17108624. Its totient is φ = 8352960.

The previous prime is 12679573. The next prime is 12679633. The reversal of 12679617 is 71697621.

It is not a de Polignac number, because 12679617 - 2⁸ = 12679361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12679687) 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 11 ways as a sum of consecutive naturals, for example, 38142 + ... + 38472.

Almost surely, 2^12679617 is an apocalyptic number.

It is an amenable number.

12679617 is a deficient number, since it is larger than the sum of its proper divisors (4429007).

12679617 is an equidigital number, since it uses as much as digits as its factorization.

12679617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 447 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 12679617 is about 3560.8449839891. The cubic root of 12679617 is about 233.1857704179.

The spelling of 12679617 in words is "twelve million, six hundred seventy-nine thousand, six hundred seventeen".