13784269 has 2 divisors, whose sum is σ = 13784270. Its totient is φ = 13784268.

The previous prime is 13784261. The next prime is 13784273. The reversal of 13784269 is 96248731.

13784269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 5593225 = 2862^2 + 2365^2 .

It is an emirp because it is prime and its reverse (96248731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13784269 - 2³ = 13784261 is a prime.

It is a super-2 number, since 2×13784269² = 380012143728722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13784261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892134 + 6892135.

It is an arithmetic number, because the mean of its divisors is an integer number (6892135).

Almost surely, 2^13784269 is an apocalyptic number.

It is an amenable number.

13784269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13784269 is an equidigital number, since it uses as much as digits as its factorization.

13784269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 13784269 is about 3712.7171990336. The cubic root of 13784269 is about 239.7698546066.

The spelling of 13784269 in words is "thirteen million, seven hundred eighty-four thousand, two hundred sixty-nine".