12642102 has 32 divisors (see below), whose sum is σ = 30648960. Its totient is φ = 3830760.

The previous prime is 12642083. The next prime is 12642109. The reversal of 12642102 is 20124621.

12642102 is a `hidden beast` number, since 12 + 642 + 10 + 2 = 666.

12642102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642109) 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, 10048 + ... + 11235.

It is an arithmetic number, because the mean of its divisors is an integer number (957780).

Almost surely, 2^12642102 is an apocalyptic number.

12642102 is an abundant number, since it is smaller than the sum of its proper divisors (18006858).

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

12642102 is a wasteful number, since it uses less digits than its factorization.

12642102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305 (or 21299 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12642102 is about 3555.5733714831. The cubic root of 12642102 is about 232.9555687780.

Adding to 12642102 its reverse (20124621), we get a palindrome (32766723).

The spelling of 12642102 in words is "twelve million, six hundred forty-two thousand, one hundred two".