13146541 has 4 divisors (see below), whose sum is σ = 13599900. Its totient is φ = 12693184.

The previous prime is 13146509. The next prime is 13146563. The reversal of 13146541 is 14564131.

13146541 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 an emirpimes, since its reverse is a distinct semiprime: 14564131 = 233 ⋅62507.

It can be written as a sum of positive squares in 2 ways, for example, as 11055625 + 2090916 = 3325^2 + 1446^2 .

It is not a de Polignac number, because 13146541 - 2⁵ = 13146509 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 (13146571) 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, 226636 + ... + 226693.

It is an arithmetic number, because the mean of its divisors is an integer number (3399975).

Almost surely, 2^13146541 is an apocalyptic number.

It is an amenable number.

13146541 is a deficient number, since it is larger than the sum of its proper divisors (453359).

13146541 is an equidigital number, since it uses as much as digits as its factorization.

13146541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453358.

The product of its digits is 1440, while the sum is 25.

The square root of 13146541 is about 3625.8159081785. The cubic root of 13146541 is about 236.0136746361.

The spelling of 13146541 in words is "thirteen million, one hundred forty-six thousand, five hundred forty-one".