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13299985 = 516316319
BaseRepresentation
bin110010101111…
…000100010001
3221000201011001
4302233010101
511401044420
61153022001
7221022316
oct62570421
927021131
1013299985
117564526
124554901
1329a891a
141aa2d0d
15127ab0a
hexcaf111

13299985 has 8 divisors (see below), whose sum is σ = 16058880. Its totient is φ = 10574064.

The previous prime is 13299973. The next prime is 13299989. The reversal of 13299985 is 58999231.

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 13299985 - 25 = 13299953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13299989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7345 + ... + 8974.

It is an arithmetic number, because the mean of its divisors is an integer number (2007360).

Almost surely, 213299985 is an apocalyptic number.

It is an amenable number.

13299985 is a deficient number, since it is larger than the sum of its proper divisors (2758895).

13299985 is a wasteful number, since it uses less digits than its factorization.

13299985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487.

The product of its digits is 174960, while the sum is 46.

The square root of 13299985 is about 3646.9144492296. The cubic root of 13299985 is about 236.9283611448.

The spelling of 13299985 in words is "thirteen million, two hundred ninety-nine thousand, nine hundred eighty-five".

Divisors: 1 5 163 815 16319 81595 2659997 13299985