12864794 has 4 divisors (see below), whose sum is σ = 19297194. Its totient is φ = 6432396.

The previous prime is 12864791. The next prime is 12864823. The reversal of 12864794 is 49746821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49746821 = 47 ⋅1058443.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 1729225 = 3337^2 + 1315^2 .

It is not an unprimeable number, because it can be changed into a prime (12864791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216197 + ... + 3216200.

Almost surely, 2^12864794 is an apocalyptic number.

12864794 is a deficient number, since it is larger than the sum of its proper divisors (6432400).

12864794 is an equidigital number, since it uses as much as digits as its factorization.

12864794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432399.

The product of its digits is 96768, while the sum is 41.

The square root of 12864794 is about 3586.7525702228. The cubic root of 12864794 is about 234.3154607637.

The spelling of 12864794 in words is "twelve million, eight hundred sixty-four thousand, seven hundred ninety-four".