13434228 has 48 divisors (see below), whose sum is σ = 35501760. Its totient is φ = 4391712.

The previous prime is 13434217. The next prime is 13434229. The reversal of 13434228 is 82243431.

13434228 is a `hidden beast` number, since 1 + 3 + 434 + 228 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434229) 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, 4551 + ... + 6897.

It is an arithmetic number, because the mean of its divisors is an integer number (739620).

Almost surely, 2^13434228 is an apocalyptic number.

13434228 is a gapful number since it is divisible by the number (18) 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 13434228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17750880).

13434228 is an abundant number, since it is smaller than the sum of its proper divisors (22067532).

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

13434228 is a wasteful number, since it uses less digits than its factorization.

13434228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2405 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 13434228 is about 3665.2732503867. The cubic root of 13434228 is about 237.7228372077.

Adding to 13434228 its reverse (82243431), we get a palindrome (95677659).

The spelling of 13434228 in words is "thirteen million, four hundred thirty-four thousand, two hundred twenty-eight".