13242269 has 6 divisors (see below), whose sum is σ = 14067354. Its totient is φ = 12463040.

The previous prime is 13242253. The next prime is 13242277. The reversal of 13242269 is 96224231.

It can be written as a sum of positive squares in 3 ways, for example, as 10048900 + 3193369 = 3170^2 + 1787^2 .

It is not a de Polignac number, because 13242269 - 2⁴ = 13242253 is a prime.

It is a super-2 number, since 2×13242269² = 350715376536722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242289) 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 in 5 ways as a sum of consecutive naturals, for example, 22622 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (2344559).

Almost surely, 2^13242269 is an apocalyptic number.

It is an amenable number.

13242269 is a deficient number, since it is larger than the sum of its proper divisors (825085).

13242269 is an equidigital number, since it uses as much as digits as its factorization.

13242269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45855 (or 45838 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 13242269 is about 3638.9928551730. The cubic root of 13242269 is about 236.5851430732.

The spelling of 13242269 in words is "thirteen million, two hundred forty-two thousand, two hundred sixty-nine".