13728612 has 24 divisors (see below), whose sum is σ = 32200000. Its totient is φ = 4552416.

The previous prime is 13728607. The next prime is 13728647. The reversal of 13728612 is 21682731.

It is a self number, because there is not a number n which added to its sum of digits gives 13728612.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 487 + ... + 5262.

Almost surely, 2^13728612 is an apocalyptic number.

13728612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13728612 is an abundant number, since it is smaller than the sum of its proper divisors (18471388).

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

13728612 is a wasteful number, since it uses less digits than its factorization.

13728612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955 (or 5953 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 13728612 is about 3705.2141638507. The cubic root of 13728612 is about 239.4467115576.

The spelling of 13728612 in words is "thirteen million, seven hundred twenty-eight thousand, six hundred twelve".