13769813 has 16 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 12114432.

The previous prime is 13769759. The next prime is 13769827. The reversal of 13769813 is 31896731.

It is a cyclic number.

It is not a de Polignac number, because 13769813 - 2¹⁶ = 13704277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769863) 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 in 15 ways as a sum of consecutive naturals, for example, 28508 + ... + 28986.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^13769813 is an apocalyptic number.

It is an amenable number.

13769813 is a deficient number, since it is larger than the sum of its proper divisors (1782187).

13769813 is a wasteful number, since it uses less digits than its factorization.

13769813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 27216, while the sum is 38.

The square root of 13769813 is about 3710.7698662137. The cubic root of 13769813 is about 239.6860072054.

The spelling of 13769813 in words is "thirteen million, seven hundred sixty-nine thousand, eight hundred thirteen".