13573697 has 2 divisors, whose sum is σ = 13573698. Its totient is φ = 13573696.

The previous prime is 13573687. The next prime is 13573723. The reversal of 13573697 is 79637531.

13573697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8116801 + 5456896 = 2849^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 13573697 - 2¹⁶ = 13508161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13573627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6786848 + 6786849.

It is an arithmetic number, because the mean of its divisors is an integer number (6786849).

Almost surely, 2^13573697 is an apocalyptic number.

It is an amenable number.

13573697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13573697 is an equidigital number, since it uses as much as digits as its factorization.

13573697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 41.

The square root of 13573697 is about 3684.2498558051. The cubic root of 13573697 is about 238.5426557966.

The spelling of 13573697 in words is "thirteen million, five hundred seventy-three thousand, six hundred ninety-seven".