13336728 has 16 divisors (see below), whose sum is σ = 33341880. Its totient is φ = 4445568.

The previous prime is 13336709. The next prime is 13336759. The reversal of 13336728 is 82763331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277825 + ... + 277872.

Almost surely, 2^13336728 is an apocalyptic number.

It is an amenable number.

13336728 is an abundant number, since it is smaller than the sum of its proper divisors (20005152).

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

13336728 is a wasteful number, since it uses less digits than its factorization.

13336728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555706 (or 555702 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13336728 is about 3651.9485209953. The cubic root of 13336728 is about 237.1463427036.

The spelling of 13336728 in words is "thirteen million, three hundred thirty-six thousand, seven hundred twenty-eight".