12274813 has 2 divisors, whose sum is σ = 12274814. Its totient is φ = 12274812.

The previous prime is 12274807. The next prime is 12274837. The reversal of 12274813 is 31847221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12236004 + 38809 = 3498^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 12274813 - 2¹⁷ = 12143741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12274883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6137406 + 6137407.

It is an arithmetic number, because the mean of its divisors is an integer number (6137407).

Almost surely, 2^12274813 is an apocalyptic number.

It is an amenable number.

12274813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12274813 is an equidigital number, since it uses as much as digits as its factorization.

12274813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 12274813 is about 3503.5429211014. The cubic root of 12274813 is about 230.6773541979.

The spelling of 12274813 in words is "twelve million, two hundred seventy-four thousand, eight hundred thirteen".