12682001 has 2 divisors, whose sum is σ = 12682002. Its totient is φ = 12682000.

The previous prime is 12681959. The next prime is 12682003. The reversal of 12682001 is 10028621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9296401 + 3385600 = 3049^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 12682001 - 2⁶ = 12681937 is a prime.

Together with 12682003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12682003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6341000 + 6341001.

It is an arithmetic number, because the mean of its divisors is an integer number (6341001).

Almost surely, 2^12682001 is an apocalyptic number.

It is an amenable number.

12682001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12682001 is an equidigital number, since it uses as much as digits as its factorization.

12682001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12682001 is about 3561.1797202613. The cubic root of 12682001 is about 233.2003838992.

The spelling of 12682001 in words is "twelve million, six hundred eighty-two thousand, one".