13470228 has 18 divisors (see below), whose sum is σ = 34049834. Its totient is φ = 4490064.

The previous prime is 13470199. The next prime is 13470229. The reversal of 13470228 is 82207431.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 6563844 = 2628^2 + 2562^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 187051 + ... + 187122.

Almost surely, 2^13470228 is an apocalyptic number.

13470228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13470228 is an abundant number, since it is smaller than the sum of its proper divisors (20579606).

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

13470228 is a wasteful number, since it uses less digits than its factorization.

13470228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374183 (or 374178 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13470228 is about 3670.1809219710. The cubic root of 13470228 is about 237.9349915427.

Adding to 13470228 its reverse (82207431), we get a palindrome (95677659).

The spelling of 13470228 in words is "thirteen million, four hundred seventy thousand, two hundred twenty-eight".