28651713 has 8 divisors (see below), whose sum is σ = 38371488. Its totient is φ = 19016544.

The previous prime is 28651703. The next prime is 28651729. The reversal of 28651713 is 31715682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28651713 - 2⁸ = 28651457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28651703) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 20356 + ... + 21717.

It is an arithmetic number, because the mean of its divisors is an integer number (4796436).

Almost surely, 2^28651713 is an apocalyptic number.

It is an amenable number.

28651713 is a deficient number, since it is larger than the sum of its proper divisors (9719775).

28651713 is a wasteful number, since it uses less digits than its factorization.

28651713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42303.

The product of its digits is 10080, while the sum is 33.

The square root of 28651713 is about 5352.7294906431. The cubic root of 28651713 is about 305.9967853906.

The spelling of 28651713 in words is "twenty-eight million, six hundred fifty-one thousand, seven hundred thirteen".