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1317007 = 1777471
BaseRepresentation
bin101000001100010001111
32110220121001
411001202033
5314121012
644121131
714123446
oct5014217
92426531
101317007
1181a53a
125361a7
133715c3
14263d5d
151b0357
hex14188f

1317007 has 4 divisors (see below), whose sum is σ = 1394496. Its totient is φ = 1239520.

The previous prime is 1316999. The next prime is 1317013. The reversal of 1317007 is 7007131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1317007 - 23 = 1316999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38719 + ... + 38752.

It is an arithmetic number, because the mean of its divisors is an integer number (348624).

21317007 is an apocalyptic number.

1317007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1317007 is a deficient number, since it is larger than the sum of its proper divisors (77489).

1317007 is an equidigital number, since it uses as much as digits as its factorization.

1317007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77488.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 1317007 is about 1147.6092540582. The cubic root of 1317007 is about 109.6131590839.

It can be divided in two parts, 13 and 17007, that added together give a triangular number (17020 = T184).

The spelling of 1317007 in words is "one million, three hundred seventeen thousand, seven".

Divisors: 1 17 77471 1317007