13033909 has 8 divisors (see below), whose sum is σ = 14917760. Its totient is φ = 11155536.

The previous prime is 13033901. The next prime is 13033921. The reversal of 13033909 is 90933031.

It is a happy number.

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

It is not a de Polignac number, because 13033909 - 2³ = 13033901 is a prime.

It is a Duffinian number.

13033909 is a modest number, since divided by 3909 gives 1303 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033901) 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, 8407 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (1864720).

Almost surely, 2^13033909 is an apocalyptic number.

It is an amenable number.

13033909 is a deficient number, since it is larger than the sum of its proper divisors (1883851).

13033909 is a wasteful number, since it uses less digits than its factorization.

13033909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 13033909 is about 3610.2505453223. The cubic root of 13033909 is about 235.3377307844.

The spelling of 13033909 in words is "thirteen million, thirty-three thousand, nine hundred nine".