12650215 has 4 divisors (see below), whose sum is σ = 15180264. Its totient is φ = 10120168.

The previous prime is 12650179. The next prime is 12650221. The reversal of 12650215 is 51205621.

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 12650215 - 2⁷ = 12650087 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1265017 + ... + 1265026.

It is an arithmetic number, because the mean of its divisors is an integer number (3795066).

Almost surely, 2^12650215 is an apocalyptic number.

12650215 is a deficient number, since it is larger than the sum of its proper divisors (2530049).

12650215 is an equidigital number, since it uses as much as digits as its factorization.

12650215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530048.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12650215 is about 3556.7140734110. The cubic root of 12650215 is about 233.0053907771.

Adding to 12650215 its reverse (51205621), we get a palindrome (63855836).

The spelling of 12650215 in words is "twelve million, six hundred fifty thousand, two hundred fifteen".