13803930 has 48 divisors (see below), whose sum is σ = 41019264. Its totient is φ = 3155040.

The previous prime is 13803919. The next prime is 13803931. The reversal of 13803930 is 3930831.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13803894 and 13803903.

It is not an unprimeable number, because it can be changed into a prime (13803931) 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 23 ways as a sum of consecutive naturals, for example, 10326 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (854568).

Almost surely, 2^13803930 is an apocalyptic number.

13803930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13803930 is an abundant number, since it is smaller than the sum of its proper divisors (27215334).

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

13803930 is a wasteful number, since it uses less digits than its factorization.

13803930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931 (or 21928 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13803930 is about 3715.3640467658. The cubic root of 13803930 is about 239.8837979136.

The spelling of 13803930 in words is "thirteen million, eight hundred three thousand, nine hundred thirty".