13630328 has 64 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 5990400.

The previous prime is 13630307. The next prime is 13630363. The reversal of 13630328 is 82303631.

It is a junction number, because it is equal to n+sod(n) for n = 13630297 and 13630306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223418 + ... + 223478.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 2^13630328 is an apocalyptic number.

It is an amenable number.

13630328 is an abundant number, since it is smaller than the sum of its proper divisors (15296392).

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

13630328 is a wasteful number, since it uses less digits than its factorization.

13630328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13630328 is about 3691.9274099039. The cubic root of 13630328 is about 238.8739378260.

Adding to 13630328 its reverse (82303631), we get a palindrome (95933959).

The spelling of 13630328 in words is "thirteen million, six hundred thirty thousand, three hundred twenty-eight".