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1315967 is a prime number
BaseRepresentation
bin101000001010001111111
32110212011112
411001101333
5314102332
644112235
714120432
oct5012177
92425145
101315967
11819784
1253567b
13370ca3
14263819
151aedb2
hex14147f

1315967 has 2 divisors, whose sum is σ = 1315968. Its totient is φ = 1315966.

The previous prime is 1315961. The next prime is 1315969. The reversal of 1315967 is 7695131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315967 - 28 = 1315711 is a prime.

Together with 1315969, 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 (1315961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657983 + 657984.

It is an arithmetic number, because the mean of its divisors is an integer number (657984).

21315967 is an apocalyptic number.

1315967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315967 is an equidigital number, since it uses as much as digits as its factorization.

1315967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 1315967 is about 1147.1560486699. The cubic root of 1315967 is about 109.5842987702.

The spelling of 1315967 in words is "one million, three hundred fifteen thousand, nine hundred sixty-seven".