12274533 has 6 divisors (see below), whose sum is σ = 17729894. Its totient is φ = 8183016.

The previous prime is 12274531. The next prime is 12274541. The reversal of 12274533 is 33547221.

12274533 is a `hidden beast` number, since 122 + 7 + 4 + 533 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 1205604 = 3327^2 + 1098^2 .

It is not a de Polignac number, because 12274533 - 2¹ = 12274531 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12274497 and 12274506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681910 + ... + 681927.

Almost surely, 2^12274533 is an apocalyptic number.

It is an amenable number.

12274533 is a deficient number, since it is larger than the sum of its proper divisors (5455361).

12274533 is a wasteful number, since it uses less digits than its factorization.

12274533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363843 (or 1363840 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 12274533 is about 3503.5029613231. The cubic root of 12274533 is about 230.6756001957.

The spelling of 12274533 in words is "twelve million, two hundred seventy-four thousand, five hundred thirty-three".