12420606 has 32 divisors (see below), whose sum is σ = 27232128. Its totient is φ = 3745440.

The previous prime is 12420599. The next prime is 12420607. The reversal of 12420606 is 60602421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19956 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (851004).

Almost surely, 2^12420606 is an apocalyptic number.

12420606 is an abundant number, since it is smaller than the sum of its proper divisors (14811522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12420606 is a wasteful number, since it uses less digits than its factorization.

12420606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12420606 is about 3524.2880132021. The cubic root of 12420606 is about 231.5870453109.

The spelling of 12420606 in words is "twelve million, four hundred twenty thousand, six hundred six".