13440541 has 4 divisors (see below), whose sum is σ = 13624732. Its totient is φ = 13256352.

The previous prime is 13440529. The next prime is 13440547. The reversal of 13440541 is 14504431.

13440541 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 10304100 = 1771^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 13440541 - 2²¹ = 11343389 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 (13440547) 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, 91986 + ... + 92131.

It is an arithmetic number, because the mean of its divisors is an integer number (3406183).

Almost surely, 2^13440541 is an apocalyptic number.

It is an amenable number.

13440541 is a deficient number, since it is larger than the sum of its proper divisors (184191).

13440541 is an equidigital number, since it uses as much as digits as its factorization.

13440541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184190.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 13440541 is about 3666.1343401463. The cubic root of 13440541 is about 237.7600682084.

Adding to 13440541 its reverse (14504431), we get a palindrome (27944972).

The spelling of 13440541 in words is "thirteen million, four hundred forty thousand, five hundred forty-one".