13229317 has 4 divisors (see below), whose sum is σ = 13258476. Its totient is φ = 13200160.

The previous prime is 13229311. The next prime is 13229323. The reversal of 13229317 is 71392231.

13229317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71392231 = 17 ⋅4199543.

It is an interprime number because it is at equal distance from previous prime (13229311) and next prime (13229323).

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 10751841 = 1574^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 13229317 - 2⁷ = 13229189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13229311) 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, 13888 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (3314619).

Almost surely, 2^13229317 is an apocalyptic number.

It is an amenable number.

13229317 is a deficient number, since it is larger than the sum of its proper divisors (29159).

13229317 is an equidigital number, since it uses as much as digits as its factorization.

13229317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29158.

The product of its digits is 2268, while the sum is 28.

The square root of 13229317 is about 3637.2128065319. The cubic root of 13229317 is about 236.5079848374.

The spelling of 13229317 in words is "thirteen million, two hundred twenty-nine thousand, three hundred seventeen".