13075220 has 12 divisors (see below), whose sum is σ = 27458004. Its totient is φ = 5230080.

The previous prime is 13075207. The next prime is 13075243. The reversal of 13075220 is 2257031.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 10995856 = 1442^2 + 3316^2 .

It is a super-2 number, since 2×13075220² = 341922756096800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 653761 = 13075220 / (1 + 3 + 0 + 7 + 5 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13075192 and 13075201.

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, 326861 + ... + 326900.

It is an arithmetic number, because the mean of its divisors is an integer number (2288167).

Almost surely, 2^13075220 is an apocalyptic number.

13075220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13075220 is an abundant number, since it is smaller than the sum of its proper divisors (14382784).

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

13075220 is a wasteful number, since it uses less digits than its factorization.

13075220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653770 (or 653768 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13075220 is about 3615.9673671094. The cubic root of 13075220 is about 235.5861030291.

The spelling of 13075220 in words is "thirteen million, seventy-five thousand, two hundred twenty".