13707889 has 8 divisors (see below), whose sum is σ = 14794920. Its totient is φ = 12625536.

The previous prime is 13707847. The next prime is 13707901. The reversal of 13707889 is 98870731.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 12673600 = 1017^2 + 3560^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13707889 - 2¹¹ = 13705841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13707829) 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 7 ways as a sum of consecutive naturals, for example, 7167 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (1849365).

Almost surely, 2^13707889 is an apocalyptic number.

It is an amenable number.

13707889 is a deficient number, since it is larger than the sum of its proper divisors (1087031).

13707889 is a wasteful number, since it uses less digits than its factorization.

13707889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 13707889 is about 3702.4166432210. The cubic root of 13707889 is about 239.3261712582.

The spelling of 13707889 in words is "thirteen million, seven hundred seven thousand, eight hundred eighty-nine".