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1288607 is a prime number
BaseRepresentation
bin100111010100110011111
32102110122012
410322212133
5312213412
643341435
713644605
oct4724637
92373565
101288607
11800171
1252187b
133616b8
14257875
151a6c22
hex13a99f

1288607 has 2 divisors, whose sum is σ = 1288608. Its totient is φ = 1288606.

The previous prime is 1288603. The next prime is 1288613. The reversal of 1288607 is 7068821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1288607 - 22 = 1288603 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288603) 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, 644303 + 644304.

It is an arithmetic number, because the mean of its divisors is an integer number (644304).

21288607 is an apocalyptic number.

1288607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288607 is an equidigital number, since it uses as much as digits as its factorization.

1288607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1288607 is about 1135.1682694649. The cubic root of 1288607 is about 108.8195257182.

The spelling of 1288607 in words is "one million, two hundred eighty-eight thousand, six hundred seven".