13552285 has 4 divisors (see below), whose sum is σ = 16262748. Its totient is φ = 10841824.

The previous prime is 13552277. The next prime is 13552303. The reversal of 13552285 is 58225531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8048569 + 5503716 = 2837^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 13552285 - 2³ = 13552277 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 1355224 + ... + 1355233.

It is an arithmetic number, because the mean of its divisors is an integer number (4065687).

Almost surely, 2^13552285 is an apocalyptic number.

It is an amenable number.

13552285 is a deficient number, since it is larger than the sum of its proper divisors (2710463).

13552285 is an equidigital number, since it uses as much as digits as its factorization.

13552285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710462.

The product of its digits is 12000, while the sum is 31.

The square root of 13552285 is about 3681.3428256548. The cubic root of 13552285 is about 238.4171590749.

The spelling of 13552285 in words is "thirteen million, five hundred fifty-two thousand, two hundred eighty-five".