12992293 has 2 divisors, whose sum is σ = 12992294. Its totient is φ = 12992292.

The previous prime is 12992281. The next prime is 12992299. The reversal of 12992293 is 39229921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 332929 = 3558^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 12992293 - 2²¹ = 10895141 is a prime.

It is a super-3 number, since 3×12992293³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12992299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496146 + 6496147.

It is an arithmetic number, because the mean of its divisors is an integer number (6496147).

Almost surely, 2^12992293 is an apocalyptic number.

It is an amenable number.

12992293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12992293 is an equidigital number, since it uses as much as digits as its factorization.

12992293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 12992293 is about 3604.4823484101. The cubic root of 12992293 is about 235.0869935958.

The spelling of 12992293 in words is "twelve million, nine hundred ninety-two thousand, two hundred ninety-three".