12616518 has 8 divisors (see below), whose sum is σ = 25233048. Its totient is φ = 4205504.

The previous prime is 12616511. The next prime is 12616523. The reversal of 12616518 is 81561621.

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

12616518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616511) 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, 1051371 + ... + 1051382.

It is an arithmetic number, because the mean of its divisors is an integer number (3154131).

Almost surely, 2^12616518 is an apocalyptic number.

12616518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12616518 is a wasteful number, since it uses less digits than its factorization.

12616518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102758.

The product of its digits is 2880, while the sum is 30.

The square root of 12616518 is about 3551.9738174711. The cubic root of 12616518 is about 232.7983174971.

The spelling of 12616518 in words is "twelve million, six hundred sixteen thousand, five hundred eighteen".