13552081 has 4 divisors (see below), whose sum is σ = 13655664. Its totient is φ = 13448500.

The previous prime is 13552061. The next prime is 13552093. The reversal of 13552081 is 18025531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13552081 - 2¹⁹ = 13027793 is a prime.

It is a super-2 number, since 2×13552081² = 367317798861122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13552001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51595 + ... + 51856.

It is an arithmetic number, because the mean of its divisors is an integer number (3413916).

Almost surely, 2^13552081 is an apocalyptic number.

It is an amenable number.

13552081 is a deficient number, since it is larger than the sum of its proper divisors (103583).

13552081 is a wasteful number, since it uses less digits than its factorization.

13552081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103582.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 13552081 is about 3681.3151182696. The cubic root of 13552081 is about 238.4159627860.

The spelling of 13552081 in words is "thirteen million, five hundred fifty-two thousand, eighty-one".