13470220 has 48 divisors (see below), whose sum is σ = 29494080. Its totient is φ = 5163264.

The previous prime is 13470199. The next prime is 13470229. The reversal of 13470220 is 2207431.

It is not an unprimeable number, because it can be changed into a prime (13470229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80577 + ... + 80743.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

Almost surely, 2^13470220 is an apocalyptic number.

13470220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13470220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14747040).

13470220 is an abundant number, since it is smaller than the sum of its proper divisors (16023860).

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

13470220 is a wasteful number, since it uses less digits than its factorization.

13470220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13470220 is about 3670.1798321063. The cubic root of 13470220 is about 237.9349444393.

Adding to 13470220 its reverse (2207431), we get a palindrome (15677651).

The spelling of 13470220 in words is "thirteen million, four hundred seventy thousand, two hundred twenty".