13088220 has 24 divisors (see below), whose sum is σ = 36647184. Its totient is φ = 3490176.

The previous prime is 13088213. The next prime is 13088233. The reversal of 13088220 is 2288031.

It is a congruent number.

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, 109009 + ... + 109128.

It is an arithmetic number, because the mean of its divisors is an integer number (1526966).

Almost surely, 2^13088220 is an apocalyptic number.

13088220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13088220 is an abundant number, since it is smaller than the sum of its proper divisors (23558964).

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

13088220 is a wasteful number, since it uses less digits than its factorization.

13088220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218149 (or 218147 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 13088220 is about 3617.7645031151. The cubic root of 13088220 is about 235.6641541033.

The spelling of 13088220 in words is "thirteen million, eighty-eight thousand, two hundred twenty".