12642486 has 16 divisors (see below), whose sum is σ = 26616000. Its totient is φ = 3992328.

The previous prime is 12642457. The next prime is 12642491. The reversal of 12642486 is 68424621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55336 + ... + 55563.

It is an arithmetic number, because the mean of its divisors is an integer number (1663500).

Almost surely, 2^12642486 is an apocalyptic number.

12642486 is an abundant number, since it is smaller than the sum of its proper divisors (13973514).

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

12642486 is a wasteful number, since it uses less digits than its factorization.

12642486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110923.

The product of its digits is 18432, while the sum is 33.

The square root of 12642486 is about 3555.6273708025. The cubic root of 12642486 is about 232.9579274056.

The spelling of 12642486 in words is "twelve million, six hundred forty-two thousand, four hundred eighty-six".