12842609 has 8 divisors (see below), whose sum is σ = 14125440. Its totient is φ = 11601936.

The previous prime is 12842603. The next prime is 12842623. The reversal of 12842609 is 90624821.

12842609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12842609 - 2¹² = 12838513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12842603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9899 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (1765680).

Almost surely, 2^12842609 is an apocalyptic number.

It is an amenable number.

12842609 is a deficient number, since it is larger than the sum of its proper divisors (1282831).

12842609 is a wasteful number, since it uses less digits than its factorization.

12842609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12842609 is about 3583.6586053920. The cubic root of 12842609 is about 234.1806929763.

The spelling of 12842609 in words is "twelve million, eight hundred forty-two thousand, six hundred nine".