12408622 has 4 divisors (see below), whose sum is σ = 18612936. Its totient is φ = 6204310.

The previous prime is 12408619. The next prime is 12408631. The reversal of 12408622 is 22680421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22680421 = 41 ⋅553181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3102154 + ... + 3102157.

It is an arithmetic number, because the mean of its divisors is an integer number (4653234).

Almost surely, 2^12408622 is an apocalyptic number.

12408622 is a deficient number, since it is larger than the sum of its proper divisors (6204314).

12408622 is an equidigital number, since it uses as much as digits as its factorization.

12408622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204313.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12408622 is about 3522.5874013287. The cubic root of 12408622 is about 231.5125392247.

The spelling of 12408622 in words is "twelve million, four hundred eight thousand, six hundred twenty-two".