13240569 has 8 divisors (see below), whose sum is σ = 18692640. Its totient is φ = 8307776.

The previous prime is 13240553. The next prime is 13240573. The reversal of 13240569 is 96504231.

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

It is a cyclic number.

It is not a de Polignac number, because 13240569 - 2⁴ = 13240553 is a prime.

It is a super-2 number, since 2×13240569² = 350625334887522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13240519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129759 + ... + 129860.

It is an arithmetic number, because the mean of its divisors is an integer number (2336580).

Almost surely, 2^13240569 is an apocalyptic number.

It is an amenable number.

13240569 is a deficient number, since it is larger than the sum of its proper divisors (5452071).

13240569 is a wasteful number, since it uses less digits than its factorization.

13240569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259639.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13240569 is about 3638.7592665633. The cubic root of 13240569 is about 236.5750186262.

The spelling of 13240569 in words is "thirteen million, two hundred forty thousand, five hundred sixty-nine".