13601228 has 12 divisors (see below), whose sum is σ = 23872800. Its totient is φ = 6780432.

The previous prime is 13601227. The next prime is 13601239. The reversal of 13601228 is 82210631.

It is not an unprimeable number, because it can be changed into a prime (13601221) 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, 3476 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (1989400).

Almost surely, 2^13601228 is an apocalyptic number.

It is an amenable number.

13601228 is a deficient number, since it is larger than the sum of its proper divisors (10271572).

13601228 is a wasteful number, since it uses less digits than its factorization.

13601228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096 (or 10094 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13601228 is about 3687.9842732853. The cubic root of 13601228 is about 238.7038224700.

Adding to 13601228 its reverse (82210631), we get a palindrome (95811859).

The spelling of 13601228 in words is "thirteen million, six hundred one thousand, two hundred twenty-eight".