13786469 has 2 divisors, whose sum is σ = 13786470. Its totient is φ = 13786468.

The previous prime is 13786441. The next prime is 13786489. The reversal of 13786469 is 96468731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 100 = 3713^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 13786469 - 2¹⁶ = 13720933 is a prime.

It is a super-2 number, since 2×13786469² = 380133454975922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13786489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893234 + 6893235.

It is an arithmetic number, because the mean of its divisors is an integer number (6893235).

Almost surely, 2^13786469 is an apocalyptic number.

It is an amenable number.

13786469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786469 is an equidigital number, since it uses as much as digits as its factorization.

13786469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 13786469 is about 3713.0134661754. The cubic root of 13786469 is about 239.7826098621.

The spelling of 13786469 in words is "thirteen million, seven hundred eighty-six thousand, four hundred sixty-nine".