13804529 has 2 divisors, whose sum is σ = 13804530. Its totient is φ = 13804528.

The previous prime is 13804513. The next prime is 13804537. The reversal of 13804529 is 92540831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 313600 = 3673^2 + 560^2 .

It is an emirp because it is prime and its reverse (92540831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13804529 - 2⁴ = 13804513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13804495 and 13804504.

It is not a weakly prime, because it can be changed into another prime (13804559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6902264 + 6902265.

It is an arithmetic number, because the mean of its divisors is an integer number (6902265).

Almost surely, 2^13804529 is an apocalyptic number.

It is an amenable number.

13804529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13804529 is an equidigital number, since it uses as much as digits as its factorization.

13804529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13804529 is about 3715.4446571036. Note that the first 3 decimals coincide. The cubic root of 13804529 is about 239.8872676577.

The spelling of 13804529 in words is "thirteen million, eight hundred four thousand, five hundred twenty-nine".