13033830 has 16 divisors (see below), whose sum is σ = 31281264. Its totient is φ = 3475680.

The previous prime is 13033817. The next prime is 13033831. The reversal of 13033830 is 3833031.

13033830 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 = 13033797 and 13033806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217201 + ... + 217260.

It is an arithmetic number, because the mean of its divisors is an integer number (1955079).

Almost surely, 2^13033830 is an apocalyptic number.

13033830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13033830 is an abundant number, since it is smaller than the sum of its proper divisors (18247434).

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

13033830 is a wasteful number, since it uses less digits than its factorization.

13033830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434471.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13033830 is about 3610.2396042368. The cubic root of 13033830 is about 235.3372553139.

Adding to 13033830 its reverse (3833031), we get a palindrome (16866861).

The spelling of 13033830 in words is "thirteen million, thirty-three thousand, eight hundred thirty".