12922066 has 8 divisors (see below), whose sum is σ = 19452924. Its totient is φ = 6437760.

The previous prime is 12922061. The next prime is 12922079. The reversal of 12922066 is 66022921.

It can be written as a sum of positive squares in 2 ways, for example, as 12047841 + 874225 = 3471^2 + 935^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12922061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935 + ... + 12058.

Almost surely, 2^12922066 is an apocalyptic number.

12922066 is a deficient number, since it is larger than the sum of its proper divisors (6530858).

12922066 is a wasteful number, since it uses less digits than its factorization.

12922066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12922066 is about 3594.7275279220. The cubic root of 12922066 is about 234.6626576701.

Adding to 12922066 its reverse (66022921), we get a palindrome (78944987).

It can be divided in two parts, 129220 and 66, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 12922066 in words is "twelve million, nine hundred twenty-two thousand, sixty-six".