13269728 has 12 divisors (see below), whose sum is σ = 26124840. Its totient is φ = 6634848.

The previous prime is 13269727. The next prime is 13269731. The reversal of 13269728 is 82796231.

13269728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13269691 and 13269700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207308 + ... + 207371.

It is an arithmetic number, because the mean of its divisors is an integer number (2177070).

Almost surely, 2^13269728 is an apocalyptic number.

It is an amenable number.

13269728 is a deficient number, since it is larger than the sum of its proper divisors (12855112).

13269728 is an equidigital number, since it uses as much as digits as its factorization.

13269728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414689 (or 414681 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 13269728 is about 3642.7637859186. The cubic root of 13269728 is about 236.7485568188.

The spelling of 13269728 in words is "thirteen million, two hundred sixty-nine thousand, seven hundred twenty-eight".