12794857 has 4 divisors (see below), whose sum is σ = 13067136. Its totient is φ = 12522580.

The previous prime is 12794849. The next prime is 12794921. The reversal of 12794857 is 75849721.

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 a cyclic number.

It is not a de Polignac number, because 12794857 - 2³ = 12794849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12794807) 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, 136069 + ... + 136162.

It is an arithmetic number, because the mean of its divisors is an integer number (3266784).

Almost surely, 2^12794857 is an apocalyptic number.

It is an amenable number.

12794857 is a deficient number, since it is larger than the sum of its proper divisors (272279).

12794857 is an equidigital number, since it uses as much as digits as its factorization.

12794857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272278.

The product of its digits is 141120, while the sum is 43.

The square root of 12794857 is about 3576.9899356861. The cubic root of 12794857 is about 233.8900852283.

The spelling of 12794857 in words is "twelve million, seven hundred ninety-four thousand, eight hundred fifty-seven".