12126718 has 16 divisors (see below), whose sum is σ = 18650736. Its totient is φ = 5911360.

The previous prime is 12126707. The next prime is 12126733. The reversal of 12126718 is 81762121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24453 + ... + 24943.

It is an arithmetic number, because the mean of its divisors is an integer number (1165671).

Almost surely, 2^12126718 is an apocalyptic number.

12126718 is a deficient number, since it is larger than the sum of its proper divisors (6524018).

12126718 is a wasteful number, since it uses less digits than its factorization.

12126718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 1344, while the sum is 28.

The square root of 12126718 is about 3482.3437509815. The cubic root of 12126718 is about 229.7458945393.

Adding to 12126718 its reverse (81762121), we get a palindrome (93888839).

The spelling of 12126718 in words is "twelve million, one hundred twenty-six thousand, seven hundred eighteen".