12794609 has 4 divisors (see below), whose sum is σ = 12803700. Its totient is φ = 12785520.

The previous prime is 12794531. The next prime is 12794627. The reversal of 12794609 is 90649721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3010225 + 9784384 = 1735^2 + 3128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12794609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12793609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (3200925).

Almost surely, 2^12794609 is an apocalyptic number.

It is an amenable number.

12794609 is a deficient number, since it is larger than the sum of its proper divisors (9091).

12794609 is an equidigital number, since it uses as much as digits as its factorization.

12794609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 12794609 is about 3576.9552694995. The cubic root of 12794609 is about 233.8885740712. Note that the first 3 decimals are identical.

The spelling of 12794609 in words is "twelve million, seven hundred ninety-four thousand, six hundred nine".