12285516 has 24 divisors (see below), whose sum is σ = 28801024. Its totient is φ = 4075920.

The previous prime is 12285503. The next prime is 12285521. The reversal of 12285516 is 61558221.

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, 381 + ... + 4971.

Almost surely, 2^12285516 is an apocalyptic number.

It is an amenable number.

12285516 is an abundant number, since it is smaller than the sum of its proper divisors (16515508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12285516 is a wasteful number, since it uses less digits than its factorization.

12285516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 12285516 is about 3505.0700420962. The cubic root of 12285516 is about 230.7443809481.

The spelling of 12285516 in words is "twelve million, two hundred eighty-five thousand, five hundred sixteen".