12660102 has 96 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 3257280.

The previous prime is 12660101. The next prime is 12660107. The reversal of 12660102 is 20106621.

It is a happy number.

12660102 is a `hidden beast` number, since 1 + 2 + 660 + 1 + 0 + 2 = 666.

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 (12660101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96577 + ... + 96707.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^12660102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12660102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).

12660102 is an abundant number, since it is smaller than the sum of its proper divisors (21934458).

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

12660102 is a wasteful number, since it uses less digits than its factorization.

12660102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12660102 is about 3558.1037084380. The cubic root of 12660102 is about 233.0660781353.

Adding to 12660102 its reverse (20106621), we get a palindrome (32766723).

The spelling of 12660102 in words is "twelve million, six hundred sixty thousand, one hundred two".