12822515 has 8 divisors (see below), whose sum is σ = 15500160. Its totient is φ = 10182592.

The previous prime is 12822503. The next prime is 12822517. The reversal of 12822515 is 51522821.

12822515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12822515 - 2⁶ = 12822451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12822517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8675 + ... + 10044.

It is an arithmetic number, because the mean of its divisors is an integer number (1937520).

Almost surely, 2^12822515 is an apocalyptic number.

12822515 is a deficient number, since it is larger than the sum of its proper divisors (2677645).

12822515 is a wasteful number, since it uses less digits than its factorization.

12822515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18861.

The product of its digits is 1600, while the sum is 26.

The square root of 12822515 is about 3580.8539484319. The cubic root of 12822515 is about 234.0584934249.

The spelling of 12822515 in words is "twelve million, eight hundred twenty-two thousand, five hundred fifteen".