12794309 has 4 divisors (see below), whose sum is σ = 13957440. Its totient is φ = 11631180.

The previous prime is 12794303. The next prime is 12794317. The reversal of 12794309 is 90349721.

12794309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12794309 - 2¹⁶ = 12728773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12794303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581549 + ... + 581570.

It is an arithmetic number, because the mean of its divisors is an integer number (3489360).

Almost surely, 2^12794309 is an apocalyptic number.

It is an amenable number.

12794309 is a deficient number, since it is larger than the sum of its proper divisors (1163131).

12794309 is a wasteful number, since it uses less digits than its factorization.

12794309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163130.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12794309 is about 3576.9133341472. The cubic root of 12794309 is about 233.8867460326.

The spelling of 12794309 in words is "twelve million, seven hundred ninety-four thousand, three hundred nine".