13282009 has 8 divisors (see below), whose sum is σ = 14401800. Its totient is φ = 12176256.

The previous prime is 13281973. The next prime is 13282019. The reversal of 13282009 is 90028231.

It can be written as a sum of positive squares in 4 ways, for example, as 1742400 + 11539609 = 1320^2 + 3397^2 .

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 13282009 - 2⁹ = 13281497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13282019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (1800225).

Almost surely, 2^13282009 is an apocalyptic number.

It is an amenable number.

13282009 is a deficient number, since it is larger than the sum of its proper divisors (1119791).

13282009 is a wasteful number, since it uses less digits than its factorization.

13282009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13282009 is about 3644.4490667315. The cubic root of 13282009 is about 236.8215704362.

The spelling of 13282009 in words is "thirteen million, two hundred eighty-two thousand, nine".