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1313417 = 7187631
BaseRepresentation
bin101000000101010001001
32110201200002
411000222021
5314012132
644052345
714110130
oct5005211
92421602
101313417
11817876
125340b5
1336ca91
14262917
151ae262
hex140a89

1313417 has 4 divisors (see below), whose sum is σ = 1501056. Its totient is φ = 1125780.

The previous prime is 1313383. The next prime is 1313423. The reversal of 1313417 is 7143131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7143131 = 9417591.

It is a cyclic number.

It is not a de Polignac number, because 1313417 - 28 = 1313161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93809 + ... + 93822.

It is an arithmetic number, because the mean of its divisors is an integer number (375264).

21313417 is an apocalyptic number.

It is an amenable number.

1313417 is a deficient number, since it is larger than the sum of its proper divisors (187639).

1313417 is an equidigital number, since it uses as much as digits as its factorization.

1313417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187638.

The product of its digits is 252, while the sum is 20.

The square root of 1313417 is about 1146.0440654704. The cubic root of 1313417 is about 109.5134710948.

Adding to 1313417 its reverse (7143131), we get a palindrome (8456548).

The spelling of 1313417 in words is "one million, three hundred thirteen thousand, four hundred seventeen".

Divisors: 1 7 187631 1313417