13690529 has 2 divisors, whose sum is σ = 13690530. Its totient is φ = 13690528.

The previous prime is 13690519. The next prime is 13690549. The reversal of 13690529 is 92509631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13690000 + 529 = 3700^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 13690529 - 2⁴ = 13690513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13690519) 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, 6845264 + 6845265.

It is an arithmetic number, because the mean of its divisors is an integer number (6845265).

Almost surely, 2^13690529 is an apocalyptic number.

It is an amenable number.

13690529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13690529 is an equidigital number, since it uses as much as digits as its factorization.

13690529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 13690529 is about 3700.0714857959. The cubic root of 13690529 is about 239.2250991082.

The spelling of 13690529 in words is "thirteen million, six hundred ninety thousand, five hundred twenty-nine".