13503601 has 2 divisors, whose sum is σ = 13503602. Its totient is φ = 13503600.

The previous prime is 13503587. The next prime is 13503619. The reversal of 13503601 is 10630531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 3744225 = 3124^2 + 1935^2 .

It is a cyclic number.

It is not a de Polignac number, because 13503601 - 2⁹ = 13503089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13503641) 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 as a sum of consecutive naturals, namely, 6751800 + 6751801.

It is an arithmetic number, because the mean of its divisors is an integer number (6751801).

Almost surely, 2^13503601 is an apocalyptic number.

It is an amenable number.

13503601 is a deficient number, since it is larger than the sum of its proper divisors (1).

13503601 is an equidigital number, since it uses as much as digits as its factorization.

13503601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13503601 is about 3674.7246155324. The cubic root of 13503601 is about 238.1313271397.

The spelling of 13503601 in words is "thirteen million, five hundred three thousand, six hundred one".