12992201 has 2 divisors, whose sum is σ = 12992202. Its totient is φ = 12992200.

The previous prime is 12992197. The next prime is 12992209. The reversal of 12992201 is 10229921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 5180176 = 2795^2 + 2276^2 .

It is a cyclic number.

It is not a de Polignac number, because 12992201 - 2² = 12992197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12992209) 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, 6496100 + 6496101.

It is an arithmetic number, because the mean of its divisors is an integer number (6496101).

Almost surely, 2^12992201 is an apocalyptic number.

It is an amenable number.

12992201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12992201 is an equidigital number, since it uses as much as digits as its factorization.

12992201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12992201 is about 3604.4695864995. The cubic root of 12992201 is about 235.0864387013.

The spelling of 12992201 in words is "twelve million, nine hundred ninety-two thousand, two hundred one".