12642246 has 12 divisors (see below), whose sum is σ = 27391572. Its totient is φ = 4214076.

The previous prime is 12642211. The next prime is 12642263. The reversal of 12642246 is 64224621.

12642246 is a `hidden beast` number, since 12 + 642 + 2 + 4 + 6 = 666.

12642246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351156 + ... + 351191.

It is an arithmetic number, because the mean of its divisors is an integer number (2282631).

Almost surely, 2^12642246 is an apocalyptic number.

12642246 is an abundant number, since it is smaller than the sum of its proper divisors (14749326).

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

12642246 is a wasteful number, since it uses less digits than its factorization.

12642246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702355 (or 702352 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 12642246 is about 3555.5936213240. The cubic root of 12642246 is about 232.9564532690.

Adding to 12642246 its reverse (64224621), we get a palindrome (76866867).

The spelling of 12642246 in words is "twelve million, six hundred forty-two thousand, two hundred forty-six".