12516338 has 8 divisors (see below), whose sum is σ = 18796332. Its totient is φ = 6250896.

The previous prime is 12516299. The next prime is 12516341. The reversal of 12516338 is 83361521.

It can be written as a sum of positive squares in 2 ways, for example, as 9443329 + 3073009 = 3073^2 + 1753^2 .

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 12516338.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 5132.

Almost surely, 2^12516338 is an apocalyptic number.

12516338 is a deficient number, since it is larger than the sum of its proper divisors (6279994).

12516338 is an equidigital number, since it uses as much as digits as its factorization.

12516338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276.

The product of its digits is 4320, while the sum is 29.

The square root of 12516338 is about 3537.8436935512. The cubic root of 12516338 is about 232.1805100311.

Adding to 12516338 its reverse (83361521), we get a palindrome (95877859).

The spelling of 12516338 in words is "twelve million, five hundred sixteen thousand, three hundred thirty-eight".