13818930 has 32 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 3674112.

The previous prime is 13818913. The next prime is 13818967. The reversal of 13818930 is 3981831.

13818930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13818891 and 13818900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17586 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^13818930 is an apocalyptic number.

13818930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13818930 is an abundant number, since it is smaller than the sum of its proper divisors (19445070).

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

13818930 is a wasteful number, since it uses less digits than its factorization.

13818930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13818930 is about 3717.3821433907. The cubic root of 13818930 is about 239.9706561346.

The spelling of 13818930 in words is "thirteen million, eight hundred eighteen thousand, nine hundred thirty".