12798215 has 8 divisors (see below), whose sum is σ = 15510528. Its totient is φ = 10136800.

The previous prime is 12798199. The next prime is 12798217. The reversal of 12798215 is 51289721.

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

It is not a de Polignac number, because 12798215 - 2⁴ = 12798199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798217) 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, 12167 + ... + 13176.

It is an arithmetic number, because the mean of its divisors is an integer number (1938816).

Almost surely, 2^12798215 is an apocalyptic number.

12798215 is a deficient number, since it is larger than the sum of its proper divisors (2712313).

12798215 is a wasteful number, since it uses less digits than its factorization.

12798215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25449.

The product of its digits is 10080, while the sum is 35.

The square root of 12798215 is about 3577.4592939683. The cubic root of 12798215 is about 233.9105448606.

The spelling of 12798215 in words is "twelve million, seven hundred ninety-eight thousand, two hundred fifteen".