13869798 has 16 divisors (see below), whose sum is σ = 28074816. Its totient is φ = 4567400.

The previous prime is 13869769. The next prime is 13869799. The reversal of 13869798 is 89796831.

It is a self number, because there is not a number n which added to its sum of digits gives 13869798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13869799) 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 7 ways as a sum of consecutive naturals, for example, 13428 + ... + 14423.

It is an arithmetic number, because the mean of its divisors is an integer number (1754676).

Almost surely, 2^13869798 is an apocalyptic number.

13869798 is an abundant number, since it is smaller than the sum of its proper divisors (14205018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13869798 is a wasteful number, since it uses less digits than its factorization.

13869798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27939.

The product of its digits is 653184, while the sum is 51.

The square root of 13869798 is about 3724.2177702170. The cubic root of 13869798 is about 240.2647425789.

The spelling of 13869798 in words is "thirteen million, eight hundred sixty-nine thousand, seven hundred ninety-eight".