12812274 has 12 divisors (see below), whose sum is σ = 27759966. Its totient is φ = 4270752.

The previous prime is 12812243. The next prime is 12812291. The reversal of 12812274 is 47221821.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 2295225 = 3243^2 + 1515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355879 + ... + 355914.

Almost surely, 2^12812274 is an apocalyptic number.

12812274 is an abundant number, since it is smaller than the sum of its proper divisors (14947692).

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

12812274 is a wasteful number, since it uses less digits than its factorization.

12812274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711801 (or 711798 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 12812274 is about 3579.4236966305. The cubic root of 12812274 is about 233.9961647410.

The spelling of 12812274 in words is "twelve million, eight hundred twelve thousand, two hundred seventy-four".