12285215 has 8 divisors (see below), whose sum is σ = 14761968. Its totient is φ = 9815040.

The previous prime is 12285193. The next prime is 12285239. The reversal of 12285215 is 51258221.

12285215 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 not a de Polignac number, because 12285215 - 2¹⁴ = 12268831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (1845246).

Almost surely, 2^12285215 is an apocalyptic number.

12285215 is a deficient number, since it is larger than the sum of its proper divisors (2476753).

12285215 is a wasteful number, since it uses less digits than its factorization.

12285215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289.

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

The square root of 12285215 is about 3505.0271040321. The cubic root of 12285215 is about 230.7424964899.

The spelling of 12285215 in words is "twelve million, two hundred eighty-five thousand, two hundred fifteen".