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13282129 = 74214507
BaseRepresentation
bin110010101010…
…101101010001
3220222210122201
4302222231101
511400012004
61152403201
7220616260
oct62525521
926883581
1013282129
117552073
124546501
1329a0763
141a9a5d7
1512756a4
hexcaab51

13282129 has 8 divisors (see below), whose sum is σ = 15219008. Its totient is φ = 11355120.

The previous prime is 13282123. The next prime is 13282163. The reversal of 13282129 is 92128231.

13282129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13282129 - 29 = 13281617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13282097 and 13282106.

It is not an unprimeable number, because it can be changed into a prime (13282123) 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, 694 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (1902376).

Almost surely, 213282129 is an apocalyptic number.

It is an amenable number.

13282129 is a deficient number, since it is larger than the sum of its proper divisors (1936879).

13282129 is an equidigital number, since it uses as much as digits as its factorization.

13282129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its digits is 1728, while the sum is 28.

The square root of 13282129 is about 3644.4655300881. The cubic root of 13282129 is about 236.8222836442.

The spelling of 13282129 in words is "thirteen million, two hundred eighty-two thousand, one hundred twenty-nine".

Divisors: 1 7 421 2947 4507 31549 1897447 13282129