12927284 has 6 divisors (see below), whose sum is σ = 22622754. Its totient is φ = 6463640.

The previous prime is 12927281. The next prime is 12927307. The reversal of 12927284 is 48272921.

12927284 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 168100 = 3572^2 + 410^2 .

It is a super-2 number, since 2×12927284² = 334229343233312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615907 + ... + 1615914.

It is an arithmetic number, because the mean of its divisors is an integer number (3770459).

Almost surely, 2^12927284 is an apocalyptic number.

It is an amenable number.

12927284 is a deficient number, since it is larger than the sum of its proper divisors (9695470).

12927284 is a wasteful number, since it uses less digits than its factorization.

12927284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231825 (or 3231823 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12927284 is about 3595.4532398573. The cubic root of 12927284 is about 234.6942394355.

The spelling of 12927284 in words is "twelve million, nine hundred twenty-seven thousand, two hundred eighty-four".