13435573 has 2 divisors, whose sum is σ = 13435574. Its totient is φ = 13435572.

The previous prime is 13435571. The next prime is 13435579. The reversal of 13435573 is 37553431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7969329 + 5466244 = 2823^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 13435573 - 2¹ = 13435571 is a prime.

Together with 13435571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13435571) 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, 6717786 + 6717787.

It is an arithmetic number, because the mean of its divisors is an integer number (6717787).

Almost surely, 2^13435573 is an apocalyptic number.

It is an amenable number.

13435573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13435573 is an equidigital number, since it uses as much as digits as its factorization.

13435573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 31.

The square root of 13435573 is about 3665.4567246115. The cubic root of 13435573 is about 237.7307703405.

The spelling of 13435573 in words is "thirteen million, four hundred thirty-five thousand, five hundred seventy-three".