13413228 has 12 divisors (see below), whose sum is σ = 31297560. Its totient is φ = 4471072.

The previous prime is 13413223. The next prime is 13413241. The reversal of 13413228 is 82231431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13413198 and 13413207.

It is not an unprimeable number, because it can be changed into a prime (13413223) by changing a digit.

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, 558873 + ... + 558896.

It is an arithmetic number, because the mean of its divisors is an integer number (2608130).

Almost surely, 2^13413228 is an apocalyptic number.

It is an amenable number.

13413228 is an abundant number, since it is smaller than the sum of its proper divisors (17884332).

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

13413228 is a wasteful number, since it uses less digits than its factorization.

13413228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117776 (or 1117774 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 13413228 is about 3662.4074049729. The cubic root of 13413228 is about 237.5989054354.

Adding to 13413228 its reverse (82231431), we get a palindrome (95644659).

The spelling of 13413228 in words is "thirteen million, four hundred thirteen thousand, two hundred twenty-eight".