13783289 has 4 divisors (see below), whose sum is σ = 14843556. Its totient is φ = 12723024.

The previous prime is 13783271. The next prime is 13783309. The reversal of 13783289 is 98238731.

13783289 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 an emirpimes, since its reverse is a distinct semiprime: 98238731 = 61 ⋅1610471.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 13017664 = 875^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 13783289 - 2¹² = 13779193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13783249) 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, 530114 + ... + 530139.

It is an arithmetic number, because the mean of its divisors is an integer number (3710889).

Almost surely, 2^13783289 is an apocalyptic number.

It is an amenable number.

13783289 is a deficient number, since it is larger than the sum of its proper divisors (1060267).

13783289 is a wasteful number, since it uses less digits than its factorization.

13783289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060266.

The product of its digits is 72576, while the sum is 41.

The square root of 13783289 is about 3712.5852178772. The cubic root of 13783289 is about 239.7641722831.

The spelling of 13783289 in words is "thirteen million, seven hundred eighty-three thousand, two hundred eighty-nine".