13416220 has 12 divisors (see below), whose sum is σ = 28174104. Its totient is φ = 5366480.

The previous prime is 13416217. The next prime is 13416233. The reversal of 13416220 is 2261431.

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 3 ways as a sum of consecutive naturals, for example, 335386 + ... + 335425.

It is an arithmetic number, because the mean of its divisors is an integer number (2347842).

Almost surely, 2^13416220 is an apocalyptic number.

13416220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13416220 is an abundant number, since it is smaller than the sum of its proper divisors (14757884).

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

13416220 is a wasteful number, since it uses less digits than its factorization.

13416220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670820 (or 670818 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13416220 is about 3662.8158566873. The cubic root of 13416220 is about 237.6165706605.

Adding to 13416220 its reverse (2261431), we get a palindrome (15677651).

The spelling of 13416220 in words is "thirteen million, four hundred sixteen thousand, two hundred twenty".