13803389 has 2 divisors, whose sum is σ = 13803390. Its totient is φ = 13803388.

The previous prime is 13803319. The next prime is 13803403. The reversal of 13803389 is 98330831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7198489 + 6604900 = 2683^2 + 2570^2 .

It is an emirp because it is prime and its reverse (98330831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13803389 - 2¹² = 13799293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13803319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6901694 + 6901695.

It is an arithmetic number, because the mean of its divisors is an integer number (6901695).

Almost surely, 2^13803389 is an apocalyptic number.

It is an amenable number.

13803389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13803389 is an equidigital number, since it uses as much as digits as its factorization.

13803389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13803389 is about 3715.2912402664. The cubic root of 13803389 is about 239.8806640517.

The spelling of 13803389 in words is "thirteen million, eight hundred three thousand, three hundred eighty-nine".