13219469 has 2 divisors, whose sum is σ = 13219470. Its totient is φ = 13219468.

The previous prime is 13219441. The next prime is 13219477. The reversal of 13219469 is 96491231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10156969 + 3062500 = 3187^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13219469 is a prime.

It is a super-2 number, since 2×13219469² = 349508721283922, 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 (13219439) 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, 6609734 + 6609735.

It is an arithmetic number, because the mean of its divisors is an integer number (6609735).

Almost surely, 2^13219469 is an apocalyptic number.

It is an amenable number.

13219469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13219469 is an equidigital number, since it uses as much as digits as its factorization.

13219469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 13219469 is about 3635.8587706345. The cubic root of 13219469 is about 236.4492841800.

The spelling of 13219469 in words is "thirteen million, two hundred nineteen thousand, four hundred sixty-nine".