13102220 has 12 divisors (see below), whose sum is σ = 27514704. Its totient is φ = 5240880.

The previous prime is 13102217. The next prime is 13102241. The reversal of 13102220 is 2220131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327536 + ... + 327575.

It is an arithmetic number, because the mean of its divisors is an integer number (2292892).

Almost surely, 2^13102220 is an apocalyptic number.

13102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102220 is an abundant number, since it is smaller than the sum of its proper divisors (14412484).

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

13102220 is a wasteful number, since it uses less digits than its factorization.

13102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655120 (or 655118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13102220 is about 3619.6988825039. The cubic root of 13102220 is about 235.7481513282.

Adding to 13102220 its reverse (2220131), we get a palindrome (15322351).

The spelling of 13102220 in words is "thirteen million, one hundred two thousand, two hundred twenty".