13534613 has 2 divisors, whose sum is σ = 13534614. Its totient is φ = 13534612.

The previous prime is 13534597. The next prime is 13534621. The reversal of 13534613 is 31643531.

13534613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 3179089 = 3218^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 13534613 - 2⁴ = 13534597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13534643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767306 + 6767307.

It is an arithmetic number, because the mean of its divisors is an integer number (6767307).

Almost surely, 2^13534613 is an apocalyptic number.

It is an amenable number.

13534613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13534613 is an equidigital number, since it uses as much as digits as its factorization.

13534613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 13534613 is about 3678.9418315597. The cubic root of 13534613 is about 238.3134830594.

The spelling of 13534613 in words is "thirteen million, five hundred thirty-four thousand, six hundred thirteen".