13728292 has 6 divisors (see below), whose sum is σ = 24024518. Its totient is φ = 6864144.

The previous prime is 13728289. The next prime is 13728301. The reversal of 13728292 is 29282731.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 6022116 = 2776^2 + 2454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716033 + ... + 1716040.

Almost surely, 2^13728292 is an apocalyptic number.

It is an amenable number.

13728292 is a deficient number, since it is larger than the sum of its proper divisors (10296226).

13728292 is a wasteful number, since it uses less digits than its factorization.

13728292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432077 (or 3432075 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 13728292 is about 3705.1709812099. The cubic root of 13728292 is about 239.4448511232. Note that the first 3 decimals are identical.

The spelling of 13728292 in words is "thirteen million, seven hundred twenty-eight thousand, two hundred ninety-two".