12418516 has 12 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 5644760.

The previous prime is 12418513. The next prime is 12418519. The reversal of 12418516 is 61581421.

It is an interprime number because it is at equal distance from previous prime (12418513) and next prime (12418519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141076 + ... + 141163.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^12418516 is an apocalyptic number.

It is an amenable number.

12418516 is a deficient number, since it is larger than the sum of its proper divisors (11289644).

12418516 is a wasteful number, since it uses less digits than its factorization.

12418516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282254 (or 282252 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 12418516 is about 3523.9914869364. The cubic root of 12418516 is about 231.5740549604.

Adding to 12418516 its reverse (61581421), we get a palindrome (73999937).

The spelling of 12418516 in words is "twelve million, four hundred eighteen thousand, five hundred sixteen".