12851518 has 8 divisors (see below), whose sum is σ = 19298520. Its totient is φ = 6418680.

The previous prime is 12851513. The next prime is 12851533. The reversal of 12851518 is 81515821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12851518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (2412315).

Almost surely, 2^12851518 is an apocalyptic number.

12851518 is a deficient number, since it is larger than the sum of its proper divisors (6447002).

12851518 is a wasteful number, since it uses less digits than its factorization.

12851518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082.

The product of its digits is 3200, while the sum is 31.

The square root of 12851518 is about 3584.9013933440. The cubic root of 12851518 is about 234.2348313410.

The spelling of 12851518 in words is "twelve million, eight hundred fifty-one thousand, five hundred eighteen".