13441881 has 4 divisors (see below), whose sum is σ = 17922512. Its totient is φ = 8961252.

The previous prime is 13441861. The next prime is 13441889. The reversal of 13441881 is 18814431.

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: 18814431 = 3 ⋅6271477.

It is not a de Polignac number, because 13441881 - 2⁹ = 13441369 is a prime.

It is a super-2 number, since 2×13441881² = 361368329636322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441889) 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, 2240311 + ... + 2240316.

It is an arithmetic number, because the mean of its divisors is an integer number (4480628).

Almost surely, 2^13441881 is an apocalyptic number.

It is an amenable number.

13441881 is a deficient number, since it is larger than the sum of its proper divisors (4480631).

13441881 is an equidigital number, since it uses as much as digits as its factorization.

13441881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480630.

The product of its digits is 3072, while the sum is 30.

The square root of 13441881 is about 3666.3170893964. The cubic root of 13441881 is about 237.7679693760.

The spelling of 13441881 in words is "thirteen million, four hundred forty-one thousand, eight hundred eighty-one".