13000220 has 12 divisors (see below), whose sum is σ = 27300504. Its totient is φ = 5200080.

The previous prime is 13000219. The next prime is 13000243. The reversal of 13000220 is 2200031.

13000220 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 = 13000198 and 13000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324986 + ... + 325025.

It is an arithmetic number, because the mean of its divisors is an integer number (2275042).

Almost surely, 2^13000220 is an apocalyptic number.

13000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000220 is an abundant number, since it is smaller than the sum of its proper divisors (14300284).

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

13000220 is a wasteful number, since it uses less digits than its factorization.

13000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650020 (or 650018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 13000220 is about 3605.5817838457. The cubic root of 13000220 is about 235.1347951585.

Adding to 13000220 its reverse (2200031), we get a palindrome (15200251).

The spelling of 13000220 in words is "thirteen million, two hundred twenty", and thus it is an aban number.