13391269 has 4 divisors (see below), whose sum is σ = 13610860. Its totient is φ = 13171680.

The previous prime is 13391251. The next prime is 13391293. The reversal of 13391269 is 96219331.

13391269 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 12159169 = 1110^2 + 3487^2 .

It is a cyclic number.

It is not a de Polignac number, because 13391269 - 2⁵ = 13391237 is a prime.

It is a super-2 number, since 2×13391269² = 358652170860722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109704 + ... + 109825.

It is an arithmetic number, because the mean of its divisors is an integer number (3402715).

Almost surely, 2^13391269 is an apocalyptic number.

It is an amenable number.

13391269 is a deficient number, since it is larger than the sum of its proper divisors (219591).

13391269 is an equidigital number, since it uses as much as digits as its factorization.

13391269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219590.

The product of its digits is 8748, while the sum is 34.

The square root of 13391269 is about 3659.4082855019. The cubic root of 13391269 is about 237.4691756856.

The spelling of 13391269 in words is "thirteen million, three hundred ninety-one thousand, two hundred sixty-nine".