13535669 has 16 divisors (see below), whose sum is σ = 15979392. Its totient is φ = 11225088.

The previous prime is 13535659. The next prime is 13535701. The reversal of 13535669 is 96653531.

It is not a de Polignac number, because 13535669 - 2¹⁶ = 13470133 is a prime.

It is a super-2 number, since 2×13535669² = 366428670555122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13535629) 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 15 ways as a sum of consecutive naturals, for example, 57977 + ... + 58209.

It is an arithmetic number, because the mean of its divisors is an integer number (998712).

Almost surely, 2^13535669 is an apocalyptic number.

It is an amenable number.

13535669 is a deficient number, since it is larger than the sum of its proper divisors (2443723).

13535669 is a wasteful number, since it uses less digits than its factorization.

13535669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 72900, while the sum is 38.

The square root of 13535669 is about 3679.0853482897. The cubic root of 13535669 is about 238.3196808106.

The spelling of 13535669 in words is "thirteen million, five hundred thirty-five thousand, six hundred sixty-nine".