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13324287 = 317325673
BaseRepresentation
bin110010110100…
…111111111111
3221001221111010
4302310333333
511402334122
61153330303
7221153214
oct62647777
927057433
1013324287
117580809
124566993
1329b69c2
141aabb0b
151282e0c
hexcb4fff

13324287 has 8 divisors (see below), whose sum is σ = 17869104. Its totient is φ = 8831168.

The previous prime is 13324271. The next prime is 13324309. The reversal of 13324287 is 78242331.

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 13324287 - 24 = 13324271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13324217) 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, 12318 + ... + 13355.

It is an arithmetic number, because the mean of its divisors is an integer number (2233638).

Almost surely, 213324287 is an apocalyptic number.

13324287 is a deficient number, since it is larger than the sum of its proper divisors (4544817).

13324287 is a wasteful number, since it uses less digits than its factorization.

13324287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25849.

The product of its digits is 8064, while the sum is 30.

The square root of 13324287 is about 3650.2447863123. The cubic root of 13324287 is about 237.0725800956.

The spelling of 13324287 in words is "thirteen million, three hundred twenty-four thousand, two hundred eighty-seven".

Divisors: 1 3 173 519 25673 77019 4441429 13324287