13650529 has 2 divisors, whose sum is σ = 13650530. Its totient is φ = 13650528.

The previous prime is 13650517. The next prime is 13650547. The reversal of 13650529 is 92505631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 3055504 = 3255^2 + 1748^2 .

It is an emirp because it is prime and its reverse (92505631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13650529 - 2¹³ = 13642337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13650529.

It is not a weakly prime, because it can be changed into another prime (13650589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825264 + 6825265.

It is an arithmetic number, because the mean of its divisors is an integer number (6825265).

Almost surely, 2^13650529 is an apocalyptic number.

It is an amenable number.

13650529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13650529 is an equidigital number, since it uses as much as digits as its factorization.

13650529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 13650529 is about 3694.6622308406. The cubic root of 13650529 is about 238.9918882887.

The spelling of 13650529 in words is "thirteen million, six hundred fifty thousand, five hundred twenty-nine".