12550115 has 4 divisors (see below), whose sum is σ = 15060144. Its totient is φ = 10040088.

The previous prime is 12550099. The next prime is 12550123. The reversal of 12550115 is 51105521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12550115 - 2⁴ = 12550099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255007 + ... + 1255016.

It is an arithmetic number, because the mean of its divisors is an integer number (3765036).

Almost surely, 2^12550115 is an apocalyptic number.

12550115 is a deficient number, since it is larger than the sum of its proper divisors (2510029).

12550115 is an equidigital number, since it uses as much as digits as its factorization.

12550115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510028.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 12550115 is about 3542.6141477728. The cubic root of 12550115 is about 232.3891790815.

Adding to 12550115 its reverse (51105521), we get a palindrome (63655636).

The spelling of 12550115 in words is "twelve million, five hundred fifty thousand, one hundred fifteen".