13783389 has 4 divisors (see below), whose sum is σ = 18377856. Its totient is φ = 9188924.

The previous prime is 13783387. The next prime is 13783391. The reversal of 13783389 is 98338731.

13783389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13783387) and next prime (13783391).

It is a cyclic number.

It is not a de Polignac number, because 13783389 - 2¹ = 13783387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13783389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13783387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297229 + ... + 2297234.

It is an arithmetic number, because the mean of its divisors is an integer number (4594464).

Almost surely, 2^13783389 is an apocalyptic number.

It is an amenable number.

13783389 is a deficient number, since it is larger than the sum of its proper divisors (4594467).

13783389 is an equidigital number, since it uses as much as digits as its factorization.

13783389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594466.

The product of its digits is 108864, while the sum is 42.

The square root of 13783389 is about 3712.5986855571. The cubic root of 13783389 is about 239.7647521244.

The spelling of 13783389 in words is "thirteen million, seven hundred eighty-three thousand, three hundred eighty-nine".