12822394 has 8 divisors (see below), whose sum is σ = 20713140. Its totient is φ = 5918016.

The previous prime is 12822373. The next prime is 12822413. The reversal of 12822394 is 49322821.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 3744225 = 3013^2 + 1935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246559 + ... + 246610.

Almost surely, 2^12822394 is an apocalyptic number.

12822394 is a deficient number, since it is larger than the sum of its proper divisors (7890746).

12822394 is a wasteful number, since it uses less digits than its factorization.

12822394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493184.

The product of its digits is 6912, while the sum is 31.

The square root of 12822394 is about 3580.8370529808. The cubic root of 12822394 is about 234.0577571895.

It can be divided in two parts, 128 and 22394, that added together give a palindrome (22522).

The spelling of 12822394 in words is "twelve million, eight hundred twenty-two thousand, three hundred ninety-four".