13541005 has 4 divisors (see below), whose sum is σ = 16249212. Its totient is φ = 10832800.

The previous prime is 13540987. The next prime is 13541009. The reversal of 13541005 is 50014531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2802276 + 10738729 = 1674^2 + 3277^2 .

It is not a de Polignac number, because 13541005 - 2⁵ = 13540973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541009) 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, 1354096 + ... + 1354105.

It is an arithmetic number, because the mean of its divisors is an integer number (4062303).

Almost surely, 2^13541005 is an apocalyptic number.

It is an amenable number.

13541005 is a deficient number, since it is larger than the sum of its proper divisors (2708207).

13541005 is an equidigital number, since it uses as much as digits as its factorization.

13541005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708206.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13541005 is about 3679.8104570752. The cubic root of 13541005 is about 238.3509933067.

Adding to 13541005 its reverse (50014531), we get a palindrome (63555536).

The spelling of 13541005 in words is "thirteen million, five hundred forty-one thousand, five".