13441381 has 4 divisors (see below), whose sum is σ = 13485472. Its totient is φ = 13397292.

The previous prime is 13441369. The next prime is 13441391. The reversal of 13441381 is 18314431.

13441381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13441381 - 2⁵ = 13441349 is a prime.

It is a super-2 number, since 2×13441381² = 361341446374322, 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 (13441331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21585 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (3371368).

Almost surely, 2^13441381 is an apocalyptic number.

It is an amenable number.

13441381 is a deficient number, since it is larger than the sum of its proper divisors (44091).

13441381 is an equidigital number, since it uses as much as digits as its factorization.

13441381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44090.

The product of its digits is 1152, while the sum is 25.

The square root of 13441381 is about 3666.2489004431. The cubic root of 13441381 is about 237.7650212406.

The spelling of 13441381 in words is "thirteen million, four hundred forty-one thousand, three hundred eighty-one".