13883909 has 8 divisors (see below), whose sum is σ = 14985432. Its totient is φ = 12787200.

The previous prime is 13883887. The next prime is 13883921. The reversal of 13883909 is 90938831.

13883909 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30625 + 13853284 = 175^2 + 3722^2 .

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 13883909 - 2¹⁶ = 13818373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883959) 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, 6809 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (1873179).

Almost surely, 2^13883909 is an apocalyptic number.

It is an amenable number.

13883909 is a deficient number, since it is larger than the sum of its proper divisors (1101523).

13883909 is a wasteful number, since it uses less digits than its factorization.

13883909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 13883909 is about 3726.1117803952. Note that the first 3 decimals coincide. The cubic root of 13883909 is about 240.3461959798.

The spelling of 13883909 in words is "thirteen million, eight hundred eighty-three thousand, nine hundred nine".