13229565 has 16 divisors (see below), whose sum is σ = 21216768. Its totient is φ = 7039296.

The previous prime is 13229549. The next prime is 13229581. The reversal of 13229565 is 56592231.

It is an interprime number because it is at equal distance from previous prime (13229549) and next prime (13229581).

It is not a de Polignac number, because 13229565 - 2⁴ = 13229549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8379 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (1326048).

Almost surely, 2^13229565 is an apocalyptic number.

13229565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13229565 is a deficient number, since it is larger than the sum of its proper divisors (7987203).

13229565 is a wasteful number, since it uses less digits than its factorization.

13229565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its digits is 16200, while the sum is 33.

The square root of 13229565 is about 3637.2468984109. The cubic root of 13229565 is about 236.5094627069.

The spelling of 13229565 in words is "thirteen million, two hundred twenty-nine thousand, five hundred sixty-five".