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1313085 = 3587539
BaseRepresentation
bin101000000100100111101
32110201012210
411000210331
5314004320
644051033
714106144
oct5004475
92421183
101313085
118175a4
12533a79
1336c897
1426275b
151ae0e0
hex14093d

1313085 has 8 divisors (see below), whose sum is σ = 2100960. Its totient is φ = 700304.

The previous prime is 1313083. The next prime is 1313087. The reversal of 1313085 is 5803131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313083) and next prime (1313087).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313085 - 21 = 1313083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43755 + ... + 43784.

It is an arithmetic number, because the mean of its divisors is an integer number (262620).

21313085 is an apocalyptic number.

1313085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313085 is a deficient number, since it is larger than the sum of its proper divisors (787875).

1313085 is an equidigital number, since it uses as much as digits as its factorization.

1313085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87547.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1313085 is about 1145.8992102275. The cubic root of 1313085 is about 109.5042428664.

The spelling of 1313085 in words is "one million, three hundred thirteen thousand, eighty-five".

Divisors: 1 3 5 15 87539 262617 437695 1313085