12422515 has 16 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 8396640.

The previous prime is 12422471. The next prime is 12422533. The reversal of 12422515 is 51522421.

It is not a de Polignac number, because 12422515 - 2¹⁵ = 12389747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (1080000).

Almost surely, 2^12422515 is an apocalyptic number.

12422515 is a deficient number, since it is larger than the sum of its proper divisors (4857485).

12422515 is an equidigital number, since it uses as much as digits as its factorization.

12422515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082.

The product of its digits is 800, while the sum is 22.

The square root of 12422515 is about 3524.5588376420. The cubic root of 12422515 is about 231.5989093864.

Adding to 12422515 its reverse (51522421), we get a palindrome (63944936).

The spelling of 12422515 in words is "twelve million, four hundred twenty-two thousand, five hundred fifteen".