12515050 has 12 divisors (see below), whose sum is σ = 23278086. Its totient is φ = 5006000.

The previous prime is 12515039. The next prime is 12515071. The reversal of 12515050 is 5051521.

It can be written as a sum of positive squares in 3 ways, for example, as 11082241 + 1432809 = 3329^2 + 1197^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125101 + ... + 125200.

Almost surely, 2^12515050 is an apocalyptic number.

12515050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12515050 is a deficient number, since it is larger than the sum of its proper divisors (10763036).

12515050 is a wasteful number, since it uses less digits than its factorization.

12515050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250313 (or 250308 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 12515050 is about 3537.6616570837. The cubic root of 12515050 is about 232.1725455409.

Adding to 12515050 its reverse (5051521), we get a palindrome (17566571).

The spelling of 12515050 in words is "twelve million, five hundred fifteen thousand, fifty".