13354581 has 4 divisors (see below), whose sum is σ = 17806112. Its totient is φ = 8903052.

The previous prime is 13354573. The next prime is 13354589. The reversal of 13354581 is 18545331.

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 an interprime number because it is at equal distance from previous prime (13354573) and next prime (13354589).

It is not a de Polignac number, because 13354581 - 2³ = 13354573 is a prime.

It is a super-2 number, since 2×13354581² = 356689667371122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13354589) 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, 2225761 + ... + 2225766.

It is an arithmetic number, because the mean of its divisors is an integer number (4451528).

Almost surely, 2^13354581 is an apocalyptic number.

It is an amenable number.

13354581 is a deficient number, since it is larger than the sum of its proper divisors (4451531).

13354581 is an equidigital number, since it uses as much as digits as its factorization.

13354581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451530.

The product of its digits is 7200, while the sum is 30.

The square root of 13354581 is about 3654.3920150964. The cubic root of 13354581 is about 237.2521129221.

The spelling of 13354581 in words is "thirteen million, three hundred fifty-four thousand, five hundred eighty-one".