13503841 has 4 divisors (see below), whose sum is σ = 14542612. Its totient is φ = 12465072.

The previous prime is 13503827. The next prime is 13503859. The reversal of 13503841 is 14830531.

13503841 is digitally balanced in base 3, 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 1218816 + 12285025 = 1104^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 13503841 - 2⁷ = 13503713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13503811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519366 + ... + 519391.

It is an arithmetic number, because the mean of its divisors is an integer number (3635653).

Almost surely, 2^13503841 is an apocalyptic number.

It is an amenable number.

13503841 is a deficient number, since it is larger than the sum of its proper divisors (1038771).

13503841 is a wasteful number, since it uses less digits than its factorization.

13503841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038770.

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

The square root of 13503841 is about 3674.7572708956. The cubic root of 13503841 is about 238.1327379037.

The spelling of 13503841 in words is "thirteen million, five hundred three thousand, eight hundred forty-one".