12922001 has 2 divisors, whose sum is σ = 12922002. Its totient is φ = 12922000.

The previous prime is 12921967. The next prime is 12922027. The reversal of 12922001 is 10022921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 141376 = 3575^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 12922001 - 2¹⁰ = 12920977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12922031) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461000 + 6461001.

It is an arithmetic number, because the mean of its divisors is an integer number (6461001).

Almost surely, 2^12922001 is an apocalyptic number.

It is an amenable number.

12922001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12922001 is an equidigital number, since it uses as much as digits as its factorization.

12922001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12922001 is about 3594.7184868916. The cubic root of 12922001 is about 234.6622642062.

Adding to 12922001 its reverse (10022921), we get a palindrome (22944922).

The spelling of 12922001 in words is "twelve million, nine hundred twenty-two thousand, one".