13290775 has 6 divisors (see below), whose sum is σ = 16480592. Its totient is φ = 10632600.

The previous prime is 13290751. The next prime is 13290779. The reversal of 13290775 is 57709231.

13290775 = 220² + 221² + ... + 369².

13290775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13290775 - 2⁷ = 13290647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13290775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290779) 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 in 5 ways as a sum of consecutive naturals, for example, 265791 + ... + 265840.

Almost surely, 2^13290775 is an apocalyptic number.

13290775 is a deficient number, since it is larger than the sum of its proper divisors (3189817).

13290775 is an equidigital number, since it uses as much as digits as its factorization.

13290775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531641 (or 531636 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 13290775 is about 3645.6515192761. The cubic root of 13290775 is about 236.8736589756.

The spelling of 13290775 in words is "thirteen million, two hundred ninety thousand, seven hundred seventy-five".