13541381 has 4 divisors (see below), whose sum is σ = 15475872. Its totient is φ = 11606892.

The previous prime is 13541377. The next prime is 13541383. The reversal of 13541381 is 18314531.

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 13541381 - 2² = 13541377 is a prime.

It is a super-2 number, since 2×13541381² = 366737998774322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13541381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541383) 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, 967235 + ... + 967248.

It is an arithmetic number, because the mean of its divisors is an integer number (3868968).

Almost surely, 2^13541381 is an apocalyptic number.

It is an amenable number.

13541381 is a deficient number, since it is larger than the sum of its proper divisors (1934491).

13541381 is an equidigital number, since it uses as much as digits as its factorization.

13541381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934490.

The product of its digits is 1440, while the sum is 26.

The square root of 13541381 is about 3679.8615463085. The cubic root of 13541381 is about 238.3531994242.

The spelling of 13541381 in words is "thirteen million, five hundred forty-one thousand, three hundred eighty-one".