13391069 has 8 divisors (see below), whose sum is σ = 13899000. Its totient is φ = 12886272.

The previous prime is 13391057. The next prime is 13391093. The reversal of 13391069 is 96019331.

13391069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2067844 + 11323225 = 1438^2 + 3365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13391069 is a prime.

It is a super-2 number, since 2×13391069² = 358641457925522, 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 (13396069) 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 7 ways as a sum of consecutive naturals, for example, 11297 + ... + 12425.

It is an arithmetic number, because the mean of its divisors is an integer number (1737375).

Almost surely, 2^13391069 is an apocalyptic number.

It is an amenable number.

13391069 is a deficient number, since it is larger than the sum of its proper divisors (507931).

13391069 is a wasteful number, since it uses less digits than its factorization.

13391069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 13391069 is about 3659.3809585776. The cubic root of 13391069 is about 237.4679934708.

The spelling of 13391069 in words is "thirteen million, three hundred ninety-one thousand, sixty-nine".