12364281 has 12 divisors (see below), whose sum is σ = 17926740. Its totient is φ = 8211840.

The previous prime is 12364279. The next prime is 12364283. The reversal of 12364281 is 18246321.

12364281 is a `hidden beast` number, since 1 + 236 + 428 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (12364279) and next prime (12364283).

It can be written as a sum of positive squares in 2 ways, for example, as 8503056 + 3861225 = 2916^2 + 1965^2 .

It is not a de Polignac number, because 12364281 - 2¹ = 12364279 is a prime.

It is a super-2 number, since 2×12364281² = 305750889293922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12364283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (1493895).

Almost surely, 2^12364281 is an apocalyptic number.

It is an amenable number.

12364281 is a deficient number, since it is larger than the sum of its proper divisors (5562459).

12364281 is a wasteful number, since it uses less digits than its factorization.

12364281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 5173 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12364281 is about 3516.2879574915. The cubic root of 12364281 is about 231.2364476109.

The spelling of 12364281 in words is "twelve million, three hundred sixty-four thousand, two hundred eighty-one".