12420052 has 12 divisors (see below), whose sum is σ = 21880096. Its totient is φ = 6168600.

The previous prime is 12420043. The next prime is 12420059. The reversal of 12420052 is 25002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420059) 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 in 3 ways as a sum of consecutive naturals, for example, 9678 + ... + 10885.

Almost surely, 2^12420052 is an apocalyptic number.

It is an amenable number.

12420052 is a deficient number, since it is larger than the sum of its proper divisors (9460044).

12420052 is a wasteful number, since it uses less digits than its factorization.

12420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20718 (or 20716 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12420052 is about 3524.2094148901. The cubic root of 12420052 is about 231.5836020777.

Adding to 12420052 its reverse (25002421), we get a palindrome (37422473).

The spelling of 12420052 in words is "twelve million, four hundred twenty thousand, fifty-two".