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13282013 = 671371447
BaseRepresentation
bin110010101010…
…101011011101
3220222210111102
4302222223131
511400011023
61152402445
7220616033
oct62525335
926883442
1013282013
117551a78
124546425
1329a06a4
141a9a553
151275628
hexcaaadd

13282013 has 8 divisors (see below), whose sum is σ = 13588032. Its totient is φ = 12979296.

The previous prime is 13281973. The next prime is 13282019. The reversal of 13282013 is 31028231.

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 13282013 - 212 = 13277917 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 (13282019) 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, 8456 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (1698504).

Almost surely, 213282013 is an apocalyptic number.

It is an amenable number.

13282013 is a deficient number, since it is larger than the sum of its proper divisors (306019).

13282013 is a wasteful number, since it uses less digits than its factorization.

13282013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13282013 is about 3644.4496155112. The cubic root of 13282013 is about 236.8215942099.

The spelling of 13282013 in words is "thirteen million, two hundred eighty-two thousand, thirteen".

Divisors: 1 67 137 1447 9179 96949 198239 13282013