12872118 has 16 divisors (see below), whose sum is σ = 29422080. Its totient is φ = 3677736.

The previous prime is 12872117. The next prime is 12872131. The reversal of 12872118 is 81127821.

It is a happy number.

12872118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153198 + ... + 153281.

It is an arithmetic number, because the mean of its divisors is an integer number (1838880).

Almost surely, 2^12872118 is an apocalyptic number.

12872118 is an abundant number, since it is smaller than the sum of its proper divisors (16549962).

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

12872118 is a wasteful number, since it uses less digits than its factorization.

12872118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306491.

The product of its digits is 1792, while the sum is 30.

The square root of 12872118 is about 3587.7734042160. The cubic root of 12872118 is about 234.3599180339.

Adding to 12872118 its reverse (81127821), we get a palindrome (93999939).

The spelling of 12872118 in words is "twelve million, eight hundred seventy-two thousand, one hundred eighteen".