12700120 has 16 divisors (see below), whose sum is σ = 28575360. Its totient is φ = 5080032.

The previous prime is 12700109. The next prime is 12700123. The reversal of 12700120 is 2100721.

It is a super-2 number, since 2×12700120² = 322586096028800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12700120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 158712 + ... + 158791.

It is an arithmetic number, because the mean of its divisors is an integer number (1785960).

Almost surely, 2^12700120 is an apocalyptic number.

12700120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12700120 is an abundant number, since it is smaller than the sum of its proper divisors (15875240).

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

12700120 is a wasteful number, since it uses less digits than its factorization.

12700120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317514 (or 317510 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 12700120 is about 3563.7227726073. The cubic root of 12700120 is about 233.3113902267.

Adding to 12700120 its reverse (2100721), we get a palindrome (14800841).

The spelling of 12700120 in words is "twelve million, seven hundred thousand, one hundred twenty".