13503733 has 2 divisors, whose sum is σ = 13503734. Its totient is φ = 13503732.

The previous prime is 13503713. The next prime is 13503751. The reversal of 13503733 is 33730531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 1656369 = 3442^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 13503733 - 2⁹ = 13503221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13503698 and 13503707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13503713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6751866 + 6751867.

It is an arithmetic number, because the mean of its divisors is an integer number (6751867).

Almost surely, 2^13503733 is an apocalyptic number.

It is an amenable number.

13503733 is a deficient number, since it is larger than the sum of its proper divisors (1).

13503733 is an equidigital number, since it uses as much as digits as its factorization.

13503733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 13503733 is about 3674.7425760181. The cubic root of 13503733 is about 238.1321030620.

The spelling of 13503733 in words is "thirteen million, five hundred three thousand, seven hundred thirty-three".