13552565 has 8 divisors (see below), whose sum is σ = 17514168. Its totient is φ = 10008000.

The previous prime is 13552547. The next prime is 13552573. The reversal of 13552565 is 56525531.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 13498276 = 233^2 + 3674^2 .

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

It is not a de Polignac number, because 13552565 - 2⁶ = 13552501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104186 + ... + 104315.

It is an arithmetic number, because the mean of its divisors is an integer number (2189271).

Almost surely, 2^13552565 is an apocalyptic number.

It is an amenable number.

13552565 is a deficient number, since it is larger than the sum of its proper divisors (3961603).

13552565 is a wasteful number, since it uses less digits than its factorization.

13552565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208519.

The product of its digits is 22500, while the sum is 32.

The square root of 13552565 is about 3681.3808550597. The cubic root of 13552565 is about 238.4188010205.

The spelling of 13552565 in words is "thirteen million, five hundred fifty-two thousand, five hundred sixty-five".