12642230 has 16 divisors (see below), whose sum is σ = 23096880. Its totient is φ = 4981152.

The previous prime is 12642211. The next prime is 12642263. The reversal of 12642230 is 3224621.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8765 + ... + 10104.

It is an arithmetic number, because the mean of its divisors is an integer number (1443555).

Almost surely, 2^12642230 is an apocalyptic number.

12642230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12642230 is a deficient number, since it is larger than the sum of its proper divisors (10454650).

12642230 is a wasteful number, since it uses less digits than its factorization.

12642230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12642230 is about 3555.5913713474. The cubic root of 12642230 is about 232.9563549925.

Adding to 12642230 its reverse (3224621), we get a palindrome (15866851).

The spelling of 12642230 in words is "twelve million, six hundred forty-two thousand, two hundred thirty".