13789844 has 12 divisors (see below), whose sum is σ = 24194100. Its totient is φ = 6877248.

The previous prime is 13789837. The next prime is 13789859. The reversal of 13789844 is 44898731.

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 6061444 = 2780^2 + 2462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13789795 and 13789804.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2579 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (2016175).

Almost surely, 2^13789844 is an apocalyptic number.

It is an amenable number.

13789844 is a deficient number, since it is larger than the sum of its proper divisors (10404256).

13789844 is a wasteful number, since it uses less digits than its factorization.

13789844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842 (or 8840 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 13789844 is about 3713.4679209601. The cubic root of 13789844 is about 239.8021749463.

The spelling of 13789844 in words is "thirteen million, seven hundred eighty-nine thousand, eight hundred forty-four".