13381009 has 8 divisors (see below), whose sum is σ = 14011200. Its totient is φ = 12754896.

The previous prime is 13381001. The next prime is 13381019. The reversal of 13381009 is 90018331.

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 13381009 - 2³ = 13381001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13381001) 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, 7194 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (1751400).

Almost surely, 2^13381009 is an apocalyptic number.

It is an amenable number.

13381009 is a deficient number, since it is larger than the sum of its proper divisors (630191).

13381009 is a wasteful number, since it uses less digits than its factorization.

13381009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13381009 is about 3658.0061508970. The cubic root of 13381009 is about 237.4085128700.

The spelling of 13381009 in words is "thirteen million, three hundred eighty-one thousand, nine".