13868738 has 8 divisors (see below), whose sum is σ = 22403388. Its totient is φ = 6400944.

The previous prime is 13868737. The next prime is 13868761. The reversal of 13868738 is 83786831.

It can be written as a sum of positive squares in 2 ways, for example, as 13786369 + 82369 = 3713^2 + 287^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13868731) 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 3 ways as a sum of consecutive naturals, for example, 266681 + ... + 266732.

Almost surely, 2^13868738 is an apocalyptic number.

13868738 is a deficient number, since it is larger than the sum of its proper divisors (8534650).

13868738 is a wasteful number, since it uses less digits than its factorization.

13868738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533428.

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

The square root of 13868738 is about 3724.0754557339. The cubic root of 13868738 is about 240.2586216746.

The spelling of 13868738 in words is "thirteen million, eight hundred sixty-eight thousand, seven hundred thirty-eight".