13591441 has 4 divisors (see below), whose sum is σ = 14306800. Its totient is φ = 12876084.

The previous prime is 13591439. The next prime is 13591447. The reversal of 13591441 is 14419531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14419531 = 7 ⋅2059933.

It is a cyclic number.

It is not a de Polignac number, because 13591441 - 2¹ = 13591439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13591447) 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, 357651 + ... + 357688.

It is an arithmetic number, because the mean of its divisors is an integer number (3576700).

Almost surely, 2^13591441 is an apocalyptic number.

It is an amenable number.

13591441 is a deficient number, since it is larger than the sum of its proper divisors (715359).

13591441 is an equidigital number, since it uses as much as digits as its factorization.

13591441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715358.

The product of its digits is 2160, while the sum is 28.

The square root of 13591441 is about 3686.6571579142. The cubic root of 13591441 is about 238.6465542370.

The spelling of 13591441 in words is "thirteen million, five hundred ninety-one thousand, four hundred forty-one".