13203930 has 16 divisors (see below), whose sum is σ = 31689504. Its totient is φ = 3521040.

The previous prime is 13203929. The next prime is 13203973. The reversal of 13203930 is 3930231.

It is a junction number, because it is equal to n+sod(n) for n = 13203897 and 13203906.

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, 220036 + ... + 220095.

It is an arithmetic number, because the mean of its divisors is an integer number (1980594).

Almost surely, 2^13203930 is an apocalyptic number.

13203930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13203930 is an abundant number, since it is smaller than the sum of its proper divisors (18485574).

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

13203930 is a wasteful number, since it uses less digits than its factorization.

13203930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440141.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 13203930 is about 3633.7212331163. The cubic root of 13203930 is about 236.3566020410.

The spelling of 13203930 in words is "thirteen million, two hundred three thousand, nine hundred thirty".