13855738 has 16 divisors (see below), whose sum is σ = 22450176. Its totient is φ = 6375600.

The previous prime is 13855727. The next prime is 13855747. The reversal of 13855738 is 83755831.

It is a self number, because there is not a number n which added to its sum of digits gives 13855738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11463 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^13855738 is an apocalyptic number.

13855738 is a deficient number, since it is larger than the sum of its proper divisors (8594438).

13855738 is a wasteful number, since it uses less digits than its factorization.

13855738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its digits is 100800, while the sum is 40.

The square root of 13855738 is about 3722.3296468744. The cubic root of 13855738 is about 240.1835286009.

The spelling of 13855738 in words is "thirteen million, eight hundred fifty-five thousand, seven hundred thirty-eight".