12408922 has 4 divisors (see below), whose sum is σ = 18613386. Its totient is φ = 6204460.

The previous prime is 12408899. The next prime is 12408923. The reversal of 12408922 is 22980421.

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., 12187081 + 221841 = 3491^2 + 471^2 .

It is not an unprimeable number, because it can be changed into a prime (12408923) by changing a digit.

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, 3102229 + ... + 3102232.

Almost surely, 2^12408922 is an apocalyptic number.

12408922 is a deficient number, since it is larger than the sum of its proper divisors (6204464).

12408922 is an equidigital number, since it uses as much as digits as its factorization.

12408922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204463.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12408922 is about 3522.6299834073. The cubic root of 12408922 is about 231.5144049490.

The spelling of 12408922 in words is "twelve million, four hundred eight thousand, nine hundred twenty-two".