10728187 has 4 divisors (see below), whose sum is σ = 11018176. Its totient is φ = 10438200.

The previous prime is 10728169. The next prime is 10728191. The reversal of 10728187 is 78182701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78182701 = 19 ⋅4114879.

It is a cyclic number.

It is not a de Polignac number, because 10728187 - 2¹¹ = 10726139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10728127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144939 + ... + 145012.

It is an arithmetic number, because the mean of its divisors is an integer number (2754544).

Almost surely, 2^10728187 is an apocalyptic number.

10728187 is a deficient number, since it is larger than the sum of its proper divisors (289989).

10728187 is an equidigital number, since it uses as much as digits as its factorization.

10728187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289988.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 10728187 is about 3275.3911216830. The cubic root of 10728187 is about 220.5508715536.

The spelling of 10728187 in words is "ten million, seven hundred twenty-eight thousand, one hundred eighty-seven".