12861102 has 8 divisors (see below), whose sum is σ = 25722216. Its totient is φ = 4287032.

The previous prime is 12861097. The next prime is 12861103. The reversal of 12861102 is 20116821.

It is a sphenic number, since it is the product of 3 distinct primes.

12861102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12861103) 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, 1071753 + ... + 1071764.

It is an arithmetic number, because the mean of its divisors is an integer number (3215277).

Almost surely, 2^12861102 is an apocalyptic number.

12861102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12861102 is a wasteful number, since it uses less digits than its factorization.

12861102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143522.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 12861102 is about 3586.2378616037. The cubic root of 12861102 is about 234.2930436292.

Adding to 12861102 its reverse (20116821), we get a palindrome (32977923).

The spelling of 12861102 in words is "twelve million, eight hundred sixty-one thousand, one hundred two".