12616018 has 8 divisors (see below), whose sum is σ = 19005948. Its totient is φ = 6280704.

The previous prime is 12616007. The next prime is 12616027. The reversal of 12616018 is 81061621.

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 316969 = 3507^2 + 563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12615983 and 12616001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13071 + ... + 14002.

Almost surely, 2^12616018 is an apocalyptic number.

12616018 is a deficient number, since it is larger than the sum of its proper divisors (6389930).

12616018 is a wasteful number, since it uses less digits than its factorization.

12616018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27308.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12616018 is about 3551.9034333720. The cubic root of 12616018 is about 232.7952421452.

Adding to 12616018 its reverse (81061621), we get a palindrome (93677639).

The spelling of 12616018 in words is "twelve million, six hundred sixteen thousand, eighteen".