12180718 has 16 divisors (see below), whose sum is σ = 20159280. Its totient is φ = 5473600.

The previous prime is 12180703. The next prime is 12180719. The reversal of 12180718 is 81708121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180719) 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, 1153 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1259955).

Almost surely, 2^12180718 is an apocalyptic number.

12180718 is a deficient number, since it is larger than the sum of its proper divisors (7978562).

12180718 is a wasteful number, since it uses less digits than its factorization.

12180718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 12180718 is about 3490.0885375589. The cubic root of 12180718 is about 230.0864073576.

Adding to 12180718 its reverse (81708121), we get a palindrome (93888839).

The spelling of 12180718 in words is "twelve million, one hundred eighty thousand, seven hundred eighteen".