12665284 has 6 divisors (see below), whose sum is σ = 22164254. Its totient is φ = 6332640.

The previous prime is 12665243. The next prime is 12665293. The reversal of 12665284 is 48256621.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 1254400 = 3378^2 + 1120^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583157 + ... + 1583164.

Almost surely, 2^12665284 is an apocalyptic number.

It is an amenable number.

12665284 is a deficient number, since it is larger than the sum of its proper divisors (9498970).

12665284 is a wasteful number, since it uses less digits than its factorization.

12665284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166325 (or 3166323 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 12665284 is about 3558.8318308119. The cubic root of 12665284 is about 233.0978731311.

It can be divided in two parts, 126652 and 84, that added together give a square (126736 = 356²).

The spelling of 12665284 in words is "twelve million, six hundred sixty-five thousand, two hundred eighty-four".