12204994 has 4 divisors (see below), whose sum is σ = 18307494. Its totient is φ = 6102496.

The previous prime is 12204989. The next prime is 12205001. The reversal of 12204994 is 49940221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 405769 = 3435^2 + 637^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3051247 + ... + 3051250.

Almost surely, 2^12204994 is an apocalyptic number.

12204994 is a deficient number, since it is larger than the sum of its proper divisors (6102500).

12204994 is an equidigital number, since it uses as much as digits as its factorization.

12204994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102499.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12204994 is about 3493.5646551910. The cubic root of 12204994 is about 230.2391589187.

The spelling of 12204994 in words is "twelve million, two hundred four thousand, nine hundred ninety-four".