13459220 has 24 divisors (see below), whose sum is σ = 29752800. Its totient is φ = 5100192.

The previous prime is 13459213. The next prime is 13459247. The reversal of 13459220 is 2295431.

It is a self number, because there is not a number n which added to its sum of digits gives 13459220.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 17330 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (1239700).

Almost surely, 2^13459220 is an apocalyptic number.

13459220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13459220 is an abundant number, since it is smaller than the sum of its proper divisors (16293580).

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

13459220 is a wasteful number, since it uses less digits than its factorization.

13459220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35447 (or 35445 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13459220 is about 3668.6809618717. The cubic root of 13459220 is about 237.8701596239.

The spelling of 13459220 in words is "thirteen million, four hundred fifty-nine thousand, two hundred twenty".