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1304207 is a prime number
BaseRepresentation
bin100111110011010001111
32110021000222
410332122033
5313213312
643541555
714041232
oct4763217
92407028
101304207
11810963
1252a8bb
13368828
1425d419
151ab672
hex13e68f

1304207 has 2 divisors, whose sum is σ = 1304208. Its totient is φ = 1304206.

The previous prime is 1304183. The next prime is 1304209. The reversal of 1304207 is 7024031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304207 - 212 = 1300111 is a prime.

Together with 1304209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304209) 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, 652103 + 652104.

It is an arithmetic number, because the mean of its divisors is an integer number (652104).

21304207 is an apocalyptic number.

1304207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304207 is an equidigital number, since it uses as much as digits as its factorization.

1304207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1304207 is about 1142.0188264648. The cubic root of 1304207 is about 109.2568920451.

Adding to 1304207 its reverse (7024031), we get a palindrome (8328238).

The spelling of 1304207 in words is "one million, three hundred four thousand, two hundred seven".